/* ───────────────────────────────────────────────────── ATMOSPHERE — "Aurora over ink" (site-wide) Four-layer stack, fixed, behind everything: L1 .atmo-base — solid base + vertical gradient L2 .atmo .band — two horizontal aurora bands, blend:screen L3 .atmo .cursor-light — single soft circular light, lerp 0.06 L4 .film-grain — static SVG fractal noise, blend:overlay, ~3.5% Mobile: drift slowed x1.5, no cursor light, grain -> 2%. Reduced-motion: bands static at 0.5x, no drift, no cursor light. Source: hv_oppdatert_design/Homepage.html (v3, 2026-04-30). v2 (E83): atmosphere skjules på lyse themes (frost/glass/hendrix/bw/pink). v3 (E83): atmosphere-farger er nå tokenisert per dark theme. carbon (default) → cognac/amber dark → kjølig blå/indigo disco → neon pink/lilla ───────────────────────────────────────────────────── */ /* FOUC-guard during language load — BUG-05 closes (alternativ A). Skjuler oversettbare elementer mens lang-loading-klassen er aktiv på html. Klassen settes synkront av inline head-script og fjernes av core.js etter loadLang resolves. */ html.lang-loading [data-i18n]{visibility:hidden;} :root{ --atmo-base-top:#0F0D0A; --atmo-base-bottom:#070605; --atmo-band-a:38, 60%, 75%; /* hsl triplet — cream */ --atmo-band-a-op:.08; --atmo-band-a-op-breathe:.10; --atmo-band-b:28, 50%, 55%; /* hsl triplet — deep amber */ --atmo-band-b-op:.05; --atmo-band-b-op-breathe:.07; --atmo-cursor:38, 70%, 75%; /* hsl triplet — warm cream */ --atmo-cursor-op:.04; } [data-theme="dark"]{ --atmo-base-top:#141520; --atmo-base-bottom:#0a0b14; --atmo-band-a:222, 80%, 72%; /* cool blue, matcher accent #6c8aef */ --atmo-band-a-op:.09; --atmo-band-a-op-breathe:.12; --atmo-band-b:258, 55%, 55%; /* violet — duotone-kontrast mot bandA */ --atmo-band-b-op:.06; --atmo-band-b-op-breathe:.08; --atmo-cursor:222, 80%, 72%; --atmo-cursor-op:.05; } [data-theme="disco"]{ --atmo-base-top:#0d0a18; --atmo-base-bottom:#060410; --atmo-band-a:328, 70%, 70%; /* neon pink */ --atmo-band-a-op:.10; --atmo-band-a-op-breathe:.13; --atmo-band-b:268, 60%, 58%; /* purple */ --atmo-band-b-op:.07; --atmo-band-b-op-breathe:.09; --atmo-cursor:328, 75%, 72%; --atmo-cursor-op:.05; } html:is([data-theme="frost"], [data-theme="glass"], [data-theme="hendrix"], [data-theme="bw"], [data-theme="pink"]) .atmo-base, html:is([data-theme="frost"], [data-theme="glass"], [data-theme="hendrix"], [data-theme="bw"], [data-theme="pink"]) .atmo, html:is([data-theme="frost"], [data-theme="glass"], [data-theme="hendrix"], [data-theme="bw"], [data-theme="pink"]) .film-grain{ display:none !important; } .atmo-base{ position:fixed;inset:0;z-index:-3;pointer-events:none; background:linear-gradient(to bottom, var(--atmo-base-top) 0%, var(--atmo-base-bottom) 100%); } .atmo{ position:fixed;inset:0;z-index:-2;pointer-events:none; isolation:isolate;overflow:hidden;contain:layout paint; } /* Each band uses a two-element nest so X-drift, Y-drift, and the opacity-breathe can each animate without fighting for a single transform property. Non-equal periods (38/53 and 41/47) so the loop is never visible. */ .band{ position:absolute;pointer-events:none;will-change:transform; mix-blend-mode:screen;transform-origin:center; } .band-inner{ position:absolute;inset:0; will-change:transform, opacity;transform-origin:center; } /* Band A — primary cream, anchored above the headline. */ .band-a{ width:140vw;height:30vh; left:50%;top:18%;margin-left:-70vw; animation: bandADriftX 38s ease-in-out infinite; } .band-a .band-inner{ background:radial-gradient(ellipse at center, hsl(var(--atmo-band-a)) 0%, transparent 50%); opacity:var(--atmo-band-a-op); animation: bandADriftY 53s ease-in-out infinite, bandABreathe 24s ease-in-out infinite; } /* Band B — deeper amber, lower note, counter-phase from t=0. */ .band-b{ width:110vw;height:22vh; left:42%;top:30%;margin-left:-55vw; animation: bandBDriftX 41s ease-in-out infinite; animation-delay: -20.5s; } .band-b .band-inner{ background:radial-gradient(ellipse at center, hsl(var(--atmo-band-b)) 0%, transparent 50%); opacity:var(--atmo-band-b-op); animation: bandBDriftY 47s ease-in-out infinite, bandBBreathe 31s ease-in-out infinite; animation-delay: -23.5s, -15.5s; } @keyframes bandADriftX{ 0%, 100% { transform: translate3d(-4%, 0, 0); } 50% { transform: translate3d( 4%, 0, 0); } } @keyframes bandADriftY{ 0%, 100% { transform: translate3d(0, -1.5%, 0); } 50% { transform: translate3d(0, 1.5%, 0); } } @keyframes bandABreathe{ 0%, 100% { opacity: var(--atmo-band-a-op); } 50% { opacity: var(--atmo-band-a-op-breathe); } } @keyframes bandBDriftX{ 0%, 100% { transform: translate3d( 4%, 0, 0); } 50% { transform: translate3d(-4%, 0, 0); } } @keyframes bandBDriftY{ 0%, 100% { transform: translate3d(0, 1.5%, 0); } 50% { transform: translate3d(0, -1.5%, 0); } } @keyframes bandBBreathe{ 0%, 100% { opacity: var(--atmo-band-b-op); } 50% { opacity: var(--atmo-band-b-op-breathe); } } /* L3 — Cursor-anchored light. Position written by JS via translate3d. */ .cursor-light{ position:fixed;left:0;top:0; width:1200px;height:1200px;margin:-600px 0 0 -600px; pointer-events:none; background:radial-gradient(circle, hsla(var(--atmo-cursor), var(--atmo-cursor-op)) 0%, transparent 60%); transform: translate3d(50vw, 50vh, 0); will-change:transform;mix-blend-mode:screen; } /* L4 — Static SVG fractal grain. z-index: -1 so it sits above the atmosphere (-2/-3) but below unpositioned/sticky foreground content. Keeps text crisp (grain only mixes with atmosphere) and avoids forcing position:relative on every body child — which would break sticky nav. */ .film-grain{ position:fixed;inset:0;z-index:-1;pointer-events:none; opacity:.035;mix-blend-mode:overlay; width:100%;height:100%; } /* Mobile (<= 768px) — drift slowed x1.5, no cursor light, grain -> 2%. */ @media (max-width: 768px){ .band-a{ animation-duration:57s; } .band-a .band-inner{ animation: bandADriftY 79s ease-in-out infinite; } .band-b{ animation-duration:61s; } .band-b .band-inner{ animation: bandBDriftY 70s ease-in-out infinite; } .cursor-light{ display:none; } .film-grain{ opacity:.02; } } @media (max-width: 1023px){ .cursor-light{ display:none; } } @media (prefers-reduced-motion: reduce){ .band, .band-inner{ animation:none !important; } .band-a .band-inner{ opacity:.04 !important; } .band-b .band-inner{ opacity:.025 !important; } .cursor-light{ display:none !important; } } @media (prefers-reduced-data: reduce), (update: slow){ .band, .band-inner{ animation:none !important; } .cursor-light{ display:none !important; } .film-grain{ opacity:.02 !important; } } /* ── E66: Landing-only fallback styling for components that normally live in shared/style.css (which new-layout landings do not load): the global search-box injected by shared/search.js, and bare in