/* ───────────────────────────────────────────────────────────────
   Kunstigflyt Design System · vanilla-CSS-utgave av concepts/src/styles.css
   For statiske sider uten byggesteg. Kopieres til hvert nettsted som kf/
   (kf.css + kf-theme.js + fonts/). Kilde: concepts/shared/ — endre her og
   kjør concepts/shared/sync.sh for å oppdatere kopiene.

   Bruk: <html data-product="spar"> + <script src="kf/kf-theme.js"></script>
   i <head> (setter data-theme før første maling).
   ─────────────────────────────────────────────────────────────── */

@font-face { font-family: 'Geist'; src: url('fonts/geist-latin-wght-normal.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Geist Mono'; src: url('fonts/geist-mono-latin-wght-normal.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Source Serif 4'; src: url('fonts/source-serif-4-latin-wght-normal.woff2') format('woff2'); font-weight: 200 900; font-display: swap; }

:root {
  --font-sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, monospace;
  --font-serif: 'Source Serif 4', ui-serif, Georgia, serif;
  --radius: 1.25rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Tema-knotter ─────────────────────────────────────────────── */
:root, [data-theme='dark'] {
  color-scheme: dark;
  --bg-l: 0.145; --bg2-l: 0.185; --card-l: 0.22; --card-a: 0.55; --card-solid-l: 0.2;
  --line: oklch(1 0 0 / 0.08); --line-strong: oklch(1 0 0 / 0.16);
  --a-l: 0.78; --a-c: 0.16; --a-soft: 0.14; --a-fg-l: 0.16; --glow-a: 0.45;
  --fg: oklch(0.975 0.005 90); --fg-2: oklch(0.78 0.01 90); --fg-3: oklch(0.62 0.012 90);
  --ok: oklch(0.8 0.17 155); --warn: oklch(0.83 0.15 80); --bad: oklch(0.7 0.19 22); --info: oklch(0.75 0.13 235);
  --shadow: 0 1px 0 oklch(1 0 0 / 0.06) inset, 0 24px 48px -24px oklch(0 0 0 / 0.6);
  --grain: 0.06;
}
[data-theme='light'] {
  color-scheme: light;
  --bg-l: 0.985; --bg2-l: 0.955; --card-l: 1; --card-a: 0.72; --card-solid-l: 1;
  --line: oklch(0.2 0.02 270 / 0.09); --line-strong: oklch(0.2 0.02 270 / 0.18);
  --a-l: 0.55; --a-c: 0.2; --a-soft: 0.1; --a-fg-l: 0.99; --glow-a: 0.3;
  --fg: oklch(0.2 0.02 270); --fg-2: oklch(0.42 0.02 270); --fg-3: oklch(0.55 0.02 270);
  --ok: oklch(0.56 0.15 155); --warn: oklch(0.62 0.15 70); --bad: oklch(0.56 0.21 25); --info: oklch(0.55 0.15 245);
  --shadow: 0 1px 0 oklch(1 0 0) inset, 0 1px 2px oklch(0.2 0.02 270 / 0.06), 0 16px 40px -20px oklch(0.2 0.02 270 / 0.22);
  --grain: 0.035;
}

/* ── Hue-avledede tokens ─────────────────────────────────────── */
:root, [data-product] {
  --bg: oklch(var(--bg-l) 0.012 var(--bg-hue, 275));
  --bg-2: oklch(var(--bg2-l) 0.014 var(--bg-hue, 275));
  --card: oklch(var(--card-l) 0.014 var(--bg-hue, 275) / var(--card-a));
  --card-solid: oklch(var(--card-solid-l) 0.014 var(--bg-hue, 275));
  --accent: oklch(var(--a-l) var(--a-c) var(--hue, 285));
  --accent-soft: oklch(var(--a-l) var(--a-c) var(--hue, 285) / var(--a-soft));
  --accent-fg: oklch(var(--a-fg-l) 0.02 var(--hue, 285));
  --glow: oklch(var(--a-l) var(--a-c) var(--hue, 285) / var(--glow-a));
}

/* ── Produktaksenter (én hue per produkt, samme som concepts) ── */
[data-product='kunstigflyt'] { --hue: 285; --bg-hue: 275; }
[data-product='monstring']   { --hue: 85;  --bg-hue: 80; }
[data-product='analytics']   { --hue: 38;  --bg-hue: 45; }
[data-product='spar']        { --hue: 128; --bg-hue: 125; }
[data-product='dyroy']       { --hue: 232; --bg-hue: 235; }
[data-product='kart']        { --hue: 172; --bg-hue: 190; }
[data-product='ordastadr']   { --hue: 55;  --bg-hue: 60; }
[data-product='podcast']     { --hue: 350; --bg-hue: 340; }
[data-product='grjotgar']    { --hue: 68;  --bg-hue: 55; }
[data-theme='dark'][data-product='spar'], [data-theme='dark'] [data-product='spar'] { --a-l: 0.9; --a-c: 0.2; }

/* ── Grunnstiler ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: color-mix(in oklab, var(--accent) 40%, transparent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.tnum { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum'; }
.mono { font-family: var(--font-mono); }
.serif { font-family: var(--font-serif); }
.muted { color: var(--fg-2); }
.faint { color: var(--fg-3); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.kf-wrap { width: min(72rem, 100% - 2.5rem); margin-inline: auto; }
.eyebrow { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.hairline { background: linear-gradient(90deg, transparent, var(--line-strong), transparent); height: 1px; border: 0; }
.text-gradient {
  background: linear-gradient(180deg, var(--fg) 30%, color-mix(in oklab, var(--fg) 55%, transparent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.text-accent-gradient {
  background: linear-gradient(100deg, var(--accent), oklch(calc(var(--a-l) + 0.08) 0.15 calc(var(--hue, 285) + 28)) 55%, var(--accent));
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: kf-shimmer 6s linear infinite;
}
.scroll-thin { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }

/* ── Signatur: aurora + rutenett + korn ──────────────────────── */
.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.aurora::before, .aurora::after, .aurora > i {
  content: ''; position: absolute; border-radius: 9999px; filter: blur(90px);
  animation: kf-float 14s ease-in-out infinite;
}
.aurora::before { width: 46rem; height: 46rem; left: -10rem; top: -18rem; background: var(--accent); opacity: 0.28; }
.aurora::after  { width: 38rem; height: 38rem; right: -8rem; top: -8rem; background: oklch(0.7 0.18 calc(var(--hue, 285) + 70)); opacity: 0.2; animation-delay: -6s; }
.aurora > i     { width: 30rem; height: 30rem; left: 40%; top: 18rem; background: oklch(0.65 0.2 calc(var(--hue, 285) - 60)); opacity: 0.14; animation-delay: -3s; }
[data-theme='light'] .aurora::before { opacity: 0.16; }
[data-theme='light'] .aurora::after { opacity: 0.12; }
[data-theme='light'] .aurora > i { opacity: 0.08; }

.grid-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
}
.grain::after {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 60; opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ── Glasskort med spotlight (.spot krever kf-theme.js) ───────── */
.glass {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
  isolation: isolate;
}
.glass-solid { background: var(--card-solid); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.spot { --mx: 50%; --my: 0%; }
.spot::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx) var(--my), color-mix(in oklab, var(--accent) 16%, transparent), transparent 60%);
  opacity: 0; transition: opacity 0.35s var(--ease);
}
.spot:hover::before { opacity: 1; }

/* ── Knapper ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  height: 2.5rem; padding: 0 1rem; border-radius: 0.75rem; border: 1px solid transparent;
  font: 500 0.875rem/1 var(--font-sans); white-space: nowrap; cursor: pointer; text-decoration: none; user-select: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn:disabled, .btn[aria-disabled='true'] { opacity: 0.5; pointer-events: none; }
.btn-sm { height: 2rem; padding: 0 0.75rem; font-size: 0.8125rem; border-radius: 0.5rem; }
.btn-lg { height: 3rem; padding: 0 1.5rem; font-size: 0.9375rem; border-radius: 1rem; }
.btn-primary {
  background: var(--accent); color: var(--accent-fg);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 60%, white) inset, 0 8px 28px -6px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px color-mix(in oklab, var(--accent) 60%, white) inset, 0 10px 40px -4px var(--glow); }
.btn-outline { border-color: var(--line-strong); background: var(--card); color: var(--fg); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn-outline:hover { border-color: color-mix(in oklab, var(--accent) 60%, transparent); background: var(--accent-soft); }
.btn-ghost { background: none; color: var(--fg-2); }
.btn-ghost:hover { color: var(--fg); background: var(--accent-soft); }
.btn-danger { border-color: color-mix(in oklab, var(--bad) 40%, transparent); background: none; color: var(--bad); }
.btn-danger:hover { background: color-mix(in oklab, var(--bad) 10%, transparent); }
.icon-btn {
  display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 0.75rem;
  border: 1px solid var(--line); background: var(--card); color: var(--fg-2); cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.icon-btn:hover { color: var(--fg); background: var(--accent-soft); border-color: var(--line-strong); }
.icon-btn svg { width: 1rem; height: 1rem; }

/* ── Merker ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.125rem 0.5rem; border-radius: 999px;
  border: 1px solid var(--line); background: color-mix(in oklab, var(--fg) 6%, transparent); color: var(--fg-2);
  font-size: 0.6875rem; font-weight: 500; line-height: 1.25rem; white-space: nowrap;
}
.badge-accent { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in oklab, var(--accent) 25%, transparent); }
.badge-ok { background: color-mix(in oklab, var(--ok) 10%, transparent); color: var(--ok); border-color: color-mix(in oklab, var(--ok) 25%, transparent); }
.badge-warn { background: color-mix(in oklab, var(--warn) 10%, transparent); color: var(--warn); border-color: color-mix(in oklab, var(--warn) 25%, transparent); }
.badge-bad { background: color-mix(in oklab, var(--bad) 10%, transparent); color: var(--bad); border-color: color-mix(in oklab, var(--bad) 25%, transparent); }
.badge-info { background: color-mix(in oklab, var(--info) 10%, transparent); color: var(--info); border-color: color-mix(in oklab, var(--info) 25%, transparent); }
.badge .dot { width: 0.375rem; height: 0.375rem; border-radius: 50%; background: currentColor; }

/* ── Skjemafelt ──────────────────────────────────────────────── */
.input, .select, .textarea {
  width: 100%; height: 2.75rem; padding: 0 0.875rem; border-radius: 0.75rem;
  border: 1px solid var(--line-strong); background: color-mix(in oklab, var(--fg) 4%, transparent); color: var(--fg);
  font: inherit; font-size: 0.9375rem; outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.textarea { height: auto; min-height: 6rem; padding: 0.75rem 0.875rem; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: var(--fg-3); }
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.label { display: block; margin-bottom: 0.375rem; font-size: 0.875rem; color: var(--fg-2); }

input[type='range'].range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 99px; cursor: pointer; outline-offset: 6px;
  background: linear-gradient(90deg, var(--accent) var(--p, 50%), var(--line-strong) var(--p, 50%));
}
input[type='range'].range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 0;
  box-shadow: 0 0 0 5px color-mix(in oklab, var(--accent) 35%, transparent), 0 4px 14px oklch(0 0 0 / 0.4);
}
input[type='range'].range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 0; box-shadow: 0 0 0 5px color-mix(in oklab, var(--accent) 35%, transparent); }

/* ── Temabryter (bruk kf-theme.js + data-kf-theme-toggle) ────── */
[data-kf-theme-toggle] .kf-moon { display: none; }
[data-theme='light'] [data-kf-theme-toggle] .kf-sun { display: none; }
[data-theme='light'] [data-kf-theme-toggle] .kf-moon { display: block; }

/* ── Animasjoner ─────────────────────────────────────────────── */
@keyframes kf-float { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 50% { transform: translate3d(3%, -4%, 0) scale(1.08); } }
@keyframes kf-shimmer { to { background-position: -200% 0; } }
@keyframes kf-rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.reveal { animation: kf-rise 0.7s var(--ease) both; animation-delay: var(--d, 0s); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
