/* ==========================================================================
   Norsk selskap for aldersforskning – felles stilark
   Alle farger og fonter defineres her, og brukes via var() i CSS og Tailwind.
   ========================================================================== */

:root {
  --color-bg: #f6f1e7;            /* varmt papir */
  --color-surface: #fffdf8;       /* lys flate / kort */
  --color-surface-2: #ece4d4;     /* dempet papir, seksjonsskifte */
  --color-text: #14203a;          /* midnattsblått blekk */
  --color-text-muted: #4a5367;    /* sekundærtekst, AA på papir */
  --color-accent: #e8b53a;        /* IAGG-gult, dempet mot oker */
  --color-accent-muted: #f5e2ae;  /* lys oker, markering */
  --color-accent-strong: #8a5a06; /* oker som tekst/linje, AA på papir */
  --color-blue: #2b5ba6;          /* IAGG-blå, lenker og data */
  --color-blue-light: #8fb2e6;    /* blå på mørk bunn */
  --color-ink: #0f1830;           /* mørke flater */
  --color-ink-2: #1b2745;         /* mørk flate, nivå 2 */
  --color-on-ink: #f6f1e7;        /* tekst på mørk bunn */
  --color-on-ink-muted: #b9c0cf;  /* dempet tekst på mørk bunn */
  --color-line: #d6ccb9;          /* hårlinjer */
  --color-line-ink: #34415f;      /* hårlinjer på mørk bunn */
  --color-success: #1f6b45;
  --color-error: #a4262c;
  --color-white: #ffffff;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Lexend', 'Segoe UI', Arial, sans-serif;
}

/* ---------- Grunnmur ---------- */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 350;
  font-size: 1.125rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body :is(h1, h2, h3), .font-display {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  letter-spacing: -0.015em;
  line-height: 1.08;
  font-weight: 500;
}
body h1 { font-variation-settings: 'SOFT' 30, 'WONK' 0; }
::selection { background: var(--color-accent-muted); color: var(--color-text); }

a { color: inherit; }
.link {
  color: var(--color-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-thickness 0.2s ease, color 0.2s ease;
}
.link:hover { text-decoration-thickness: 3px; color: var(--color-text); }
.on-ink .link { color: var(--color-blue-light); }
.on-ink .link:hover { color: var(--color-on-ink); }

:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 3px;
  border-radius: 2px;
}
.on-ink :focus-visible { outline-color: var(--color-accent); }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--color-text); color: var(--color-on-ink);
  padding: 0.6rem 1rem; border-radius: 4px; transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

.sr-only-table {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- Typografiske hjelpere ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.on-ink .eyebrow { color: var(--color-on-ink-muted); }
.lede { font-size: clamp(1.2rem, 1.1rem + 0.5vw, 1.4rem); line-height: 1.55; }
.num { font-family: var(--font-display); font-variant-numeric: lining-nums tabular-nums; }
.marker {
  background: linear-gradient(transparent 62%, var(--color-accent-muted) 62%);
  padding: 0 0.1em;
}
.rule { border: 0; border-top: 1px solid var(--color-line); }
.on-ink .rule { border-top-color: var(--color-line-ink); }
.italic-display { font-style: italic; font-weight: 400; }

/* ---------- Knapper ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-body); font-weight: 700; font-size: 1.05rem;
  line-height: 1.2; padding: 0.95rem 1.4rem; border-radius: 999px;
  text-decoration: none; border: 2px solid transparent;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.btn svg { width: 1.15em; height: 1.15em; transition: transform 0.25s ease; }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-text); color: var(--color-on-ink); }
.btn-primary:hover { background: var(--color-blue); box-shadow: 0 6px 0 -2px var(--color-accent); }
.btn-accent { background: var(--color-accent); color: var(--color-text); }
.btn-accent:hover { background: var(--color-on-ink); box-shadow: 0 6px 0 -2px var(--color-blue-light); }
.btn-ghost { border-color: var(--color-text); color: var(--color-text); background: transparent; }
.btn-ghost:hover { background: var(--color-text); color: var(--color-on-ink); }
.on-ink .btn-ghost { border-color: var(--color-on-ink); color: var(--color-on-ink); }
.on-ink .btn-ghost:hover { background: var(--color-on-ink); color: var(--color-text); }
.btn-sm { padding: 0.6rem 1rem; font-size: 0.95rem; }

.text-link-arrow {
  display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 700;
  text-decoration: none; border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px; transition: gap 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.text-link-arrow svg { width: 1em; height: 1em; }
.text-link-arrow:hover { gap: 0.7rem; border-color: var(--color-blue); color: var(--color-blue); }
.on-ink .text-link-arrow:hover { color: var(--color-blue-light); border-color: var(--color-blue-light); }

/* ---------- Header ---------- */
.logo-img { mix-blend-mode: multiply; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.nav-link {
  position: relative; text-decoration: none; font-weight: 700; font-size: 1rem;
  padding: 0.4rem 0; color: var(--color-text);
}
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--color-accent); transition: right 0.25s ease;
}
.nav-link:hover::after, .nav-link[aria-current='page']::after { right: 0; }
.menu-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem; border-radius: 999px;
  border: 1px solid var(--color-line); background: var(--color-surface);
  color: var(--color-text); transition: background-color 0.2s ease, border-color 0.2s ease;
}
.menu-btn:hover { background: var(--color-accent-muted); border-color: var(--color-text); }
.mobile-nav { display: none; border-top: 1px solid var(--color-line); background: var(--color-bg); }
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 0; border-bottom: 1px solid var(--color-line);
  font-family: var(--font-display); font-size: 1.5rem; text-decoration: none;
  transition: padding-left 0.2s ease, color 0.2s ease;
}
.mobile-nav a:hover { padding-left: 0.4rem; color: var(--color-blue); }

/* ---------- Signaturgrep: Krysningspunktet ---------- */
.cross-card {
  background: var(--color-ink);
  color: var(--color-on-ink);
  border-radius: 1.25rem;
  position: relative;
  overflow: hidden;
}
.cross-card::before {
  /* svak rutenett-tekstur, et nikk til rutenettet i IAGG-emblemet */
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image:
    linear-gradient(var(--color-line-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line-ink) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(180deg, transparent, var(--color-ink) 40%, transparent);
  mask-image: linear-gradient(180deg, transparent, var(--color-ink) 40%, transparent);
}
.cross-card > * { position: relative; }
.chart-wrap { position: relative; touch-action: pan-y; cursor: ew-resize; }
.chart-wrap:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; border-radius: 8px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .axis text { fill: var(--color-on-ink-muted); font-family: var(--font-body); font-size: 14px; }
.chart .gridline { stroke: var(--color-line-ink); stroke-width: 1; }
.chart .line { fill: none; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.chart .line-young { stroke: var(--color-blue-light); }
.chart .line-old { stroke: var(--color-accent); }
.chart .line-proj { stroke-dasharray: 2 7; }
.chart .area-old { fill: var(--color-accent); opacity: 0.08; }
.chart .now-band { fill: var(--color-on-ink); opacity: 0.04; }
.chart .cross-ring { fill: var(--color-ink); stroke: var(--color-on-ink); stroke-width: 2.5; }
.chart .cross-dot { fill: var(--color-on-ink); }
.chart .cross-pulse { fill: none; stroke: var(--color-accent); stroke-width: 2; transform-box: fill-box; transform-origin: center; }
.chart .scrub-line { stroke: var(--color-on-ink); stroke-width: 1; opacity: 0.55; }
.chart .scrub-dot-young { fill: var(--color-blue-light); stroke: var(--color-ink); stroke-width: 3; }
.chart .scrub-dot-old { fill: var(--color-accent); stroke: var(--color-ink); stroke-width: 3; }
.chart .label-proj { fill: var(--color-on-ink-muted); font-family: var(--font-body); font-size: 14px; font-style: italic; }

.chart-draw .line { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: draw 1.6s cubic-bezier(.6,.05,.2,1) 0.35s forwards; }
.chart-draw .line-proj { animation-name: draw-proj; }
.chart-draw .cross-marker { transform-box: fill-box; transform-origin: center; animation: pop-in 0.4s cubic-bezier(.2,.7,.2,1.4) 1.8s both; }
.chart-draw .cross-pulse { animation: pulse 2.4s ease-out 2.1s 3; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes draw-proj { 0% { stroke-dashoffset: var(--len); stroke-dasharray: var(--len); } 99% { stroke-dasharray: var(--len); } 100% { stroke-dashoffset: 0; stroke-dasharray: 2 7; } }
@keyframes pop-in { from { transform: scale(0.4); } to { transform: none; } }
@keyframes pulse { 0% { transform: scale(1); opacity: 0.9; } 100% { transform: scale(3.2); opacity: 0; } }

.readout-num { font-family: var(--font-display); font-variant-numeric: lining-nums tabular-nums; font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.3rem); line-height: 1; }
.readout-year { font-size: clamp(2.1rem, 1.6rem + 1.8vw, 2.6rem); min-width: 3.3ch; }
.readout-unit { font-family: var(--font-body); font-size: 0.85rem; color: var(--color-on-ink-muted); letter-spacing: 0; }
.swatch { display: inline-block; width: 0.9rem; height: 0.25rem; border-radius: 2px; vertical-align: middle; margin-right: 0.4rem; }
.swatch-young { background: var(--color-blue-light); }
.swatch-old { background: var(--color-accent); }
.tag-proj {
  display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--color-accent); border-radius: 999px; padding: 0.1rem 0.55rem; color: var(--color-accent);
}
.tag-proj.is-registered { border-color: var(--color-line-ink); color: var(--color-on-ink-muted); }

/* ---------- Seksjonsmønstre ---------- */
.disciplines span { white-space: nowrap; }
.disciplines span:not(:last-child)::after { content: '·'; margin: 0 0.1em 0 0.45em; color: var(--color-accent-strong); }

.wheel-item { border-top: 2px solid var(--color-text); transition: border-color 0.25s ease, background-color 0.25s ease; }
.wheel-item:hover { border-color: var(--color-accent); }
.month {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: 2.6rem; line-height: 1; color: var(--color-accent-strong);
}

.podium li { border-top: 1px solid var(--color-line); }
.podium li:last-child { border-bottom: 1px solid var(--color-line); }
.podium .idx { font-family: var(--font-display); font-style: italic; color: var(--color-accent-strong); }
.podium a.row { text-decoration: none; transition: background-color 0.25s ease, padding-left 0.25s ease; }
.podium a.row:hover { background: var(--color-surface); padding-left: 0.75rem; }
.podium a.row:hover h3 { color: var(--color-blue); }

.photo { border-radius: 1rem; overflow: hidden; background: var(--color-surface-2); }
.photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.photo:hover img { transform: scale(1.02); }
figcaption { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.5; }
.on-ink figcaption { color: var(--color-on-ink-muted); }

.price {
  font-family: var(--font-display); font-weight: 400; line-height: 0.85;
  font-size: clamp(5.5rem, 3rem + 11vw, 11rem); letter-spacing: -0.04em;
}
.check-list li { display: grid; grid-template-columns: 1.6rem 1fr; gap: 0.6rem; padding: 0.8rem 0; border-top: 1px solid var(--color-line); }
.on-ink .check-list li { border-top-color: var(--color-line-ink); }
.check-list svg { width: 1.3rem; height: 1.3rem; margin-top: 0.25rem; color: var(--color-accent-strong); }
.on-ink .check-list svg { color: var(--color-accent); }

.placeholder {
  border: 2px dashed var(--color-accent-strong);
  background: repeating-linear-gradient(135deg, var(--color-surface) 0 12px, var(--color-accent-muted) 12px 13px);
  border-radius: 1rem; color: var(--color-text);
}
.placeholder-inline {
  display: inline; background: var(--color-accent-muted); border: 1px dashed var(--color-accent-strong);
  padding: 0.05rem 0.35rem; border-radius: 4px; font-size: 0.92em;
}

.timeline li { position: relative; padding-left: 2rem; }
.timeline li::before {
  content: ''; position: absolute; left: 0.35rem; top: 0.55rem; bottom: -0.55rem; width: 2px; background: var(--color-line);
}
.timeline li:last-child::before { display: none; }
.timeline li::after {
  content: ''; position: absolute; left: 0; top: 0.35rem; width: 0.8rem; height: 0.8rem; border-radius: 999px;
  background: var(--color-bg); border: 2px solid var(--color-text);
}
.timeline li.is-key::after { background: var(--color-accent); border-color: var(--color-accent-strong); }
.timeline .year { font-family: var(--font-display); font-size: 1.9rem; line-height: 1; }

.person { border-top: 1px solid var(--color-line); transition: background-color 0.25s ease; }
.person:hover { background: var(--color-surface); }
.monogram {
  width: 3.25rem; height: 3.25rem; border-radius: 999px; display: grid; place-items: center; flex: none;
  background: var(--color-surface-2); font-family: var(--font-display); font-size: 1.15rem; color: var(--color-text);
  border: 1px solid var(--color-line); transition: background-color 0.25s ease;
}
.person:hover .monogram { background: var(--color-accent-muted); }
.chip {
  display: inline-block; font-size: 0.85rem; line-height: 1.3; padding: 0.2rem 0.6rem; border-radius: 999px;
  background: var(--color-surface-2); color: var(--color-text); margin: 0.15rem 0.25rem 0.15rem 0;
}

/* ---------- Skjema ---------- */
.field label { display: block; font-weight: 700; margin-bottom: 0.35rem; font-size: 1rem; }
.field input, .field textarea, .field select {
  width: 100%; font: inherit; font-size: 1.05rem; color: var(--color-text);
  background: var(--color-surface); border: 1.5px solid var(--color-text-muted);
  border-radius: 0.6rem; padding: 0.85rem 1rem; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:hover, .field textarea:hover, .field select:hover { border-color: var(--color-text); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--color-blue); box-shadow: 0 0 0 3px var(--color-accent-muted);
}
.field .hint { font-size: 0.9rem; color: var(--color-text-muted); margin-top: 0.3rem; }
.field input[aria-invalid='true'], .field textarea[aria-invalid='true'] { border-color: var(--color-error); }
.field .error { color: var(--color-error); font-size: 0.9rem; margin-top: 0.3rem; font-weight: 700; }
.success-message {
  font-family: var(--font-display); font-size: 1.6rem; line-height: 1.3; padding: 1.5rem;
  border-left: 4px solid var(--color-success); background: var(--color-surface); border-radius: 0.5rem;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-ink); color: var(--color-on-ink); }
.site-footer a:not(.btn) { text-decoration: none; transition: color 0.2s ease; }
.site-footer a:not(.btn):hover { color: var(--color-accent); text-decoration: underline; text-underline-offset: 0.2em; }
.logo-plate { background: var(--color-white); border-radius: 0.75rem; padding: 0.75rem 1rem; display: inline-block; }

/* ---------- Bevegelse ---------- */
.load-in { animation: rise 0.4s cubic-bezier(.2,.7,.2,1) both; }
.load-in.d1 { animation-delay: 0.05s; }
.load-in.d2 { animation-delay: 0.12s; }
.load-in.d3 { animation-delay: 0.19s; }
.load-in.d4 { animation-delay: 0.26s; }
.load-in.d5 { animation-delay: 0.33s; }
/* Kun bevegelse, ikke opasitet: bare .reveal kan starte usynlig (krav fra Akari-editoren) */
@keyframes rise { from { transform: translateY(14px); } to { transform: none; } }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.4s ease, transform 0.4s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms; animation-delay: 0s; animation-iteration-count: 1; transition-duration: 0.001ms; }
  .reveal { opacity: 1; transform: none; }
  .chart-draw .line { stroke-dashoffset: 0; animation: none; }
  .chart-draw .line-proj { stroke-dasharray: 2 7; }
  .chart-draw .cross-marker { animation: none; }
  .chart-draw .cross-pulse { animation: none; opacity: 0; }
  .photo:hover img { transform: none; }
}

@media print {
  .site-header, .menu-btn, .site-footer .btn { display: none; }
  .reveal { opacity: 1; transform: none; }
}

/* Ankerlenker skal ikke havne under den faste toppmenyen */
[id] { scroll-margin-top: 6rem; }

/* ---------- Vipps-betalingsmerke (offisiell paymark, skal ikke endres i farge eller form) ---------- */
.vipps-mark { display: inline-block; height: 1.75rem; width: auto; flex: none; vertical-align: middle; }
.vipps-mark-lg { height: 2.5rem; }
.pay-with { display: inline-flex; align-items: center; gap: 0.6rem; font-size: 0.95rem; color: var(--color-text-muted); }
.on-ink .pay-with { color: var(--color-on-ink-muted); }

/* ==========================================================================
   Mobil (< 768 px): karuseller, takeover og kompakte varianter
   ========================================================================== */
.swipe-hint { display: none; }

@media (max-width: 767px) {
  /* Horisontal karusell med snap. Neste kort stikker fram som hint. */
  html .m-carousel {
    display: flex;
    gap: 0.85rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 1rem;
    margin-inline: -1rem;
    padding: 0.25rem 1rem 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--color-line) transparent;
    -webkit-overflow-scrolling: touch;
  }
  html .m-carousel > * {
    flex: 0 0 82%;
    scroll-snap-align: start;
    margin: 0;
  }
  html .m-carousel.m-carousel-narrow > * { flex-basis: 68%; }
  html .m-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: 1rem;
    padding: 1.1rem 1.1rem 1.25rem;
  }
  .on-ink .m-card { background: var(--color-ink-2); border-color: var(--color-line-ink); }
  .swipe-hint {
    display: flex; align-items: center; gap: 0.4rem; margin-top: 0.25rem;
    font-size: 0.85rem; color: var(--color-text-muted);
  }
  .swipe-hint svg { width: 1rem; height: 1rem; }

  /* Tidslinjen blir en sveipbar rekke årstall */
  .timeline.m-carousel li { padding-left: 1.1rem; }
  .timeline.m-carousel li::before { display: none; }
  .timeline.m-carousel li::after { left: auto; right: 1.1rem; top: 1.35rem; }

  /* Takeover: innhold som på mobil åpnes i fullskjerm */
  .takeover { display: none; }
  .takeover.is-open {
    display: block; position: fixed; inset: 0; z-index: 80;
    background: var(--color-bg); color: var(--color-text);
    overflow-y: auto; overscroll-behavior: contain;
    padding: 0 1rem 2.5rem;
    animation: takeover-in 0.3s cubic-bezier(.2,.7,.2,1) both;
  }
  .takeover-head {
    position: sticky; top: 0; z-index: 1; background: var(--color-bg);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 1rem 0; margin-bottom: 1rem; border-bottom: 1px solid var(--color-line);
  }
  html body.takeover-lock { overflow: hidden; }

  /* Kortere bunntekst */
  .site-footer .footer-pitch { display: none; }

  /* Priser og tall litt mindre */
  .price { font-size: 5.25rem; }
}

@media (min-width: 768px) {
  .takeover-head, .takeover-trigger { display: none; }
}

.takeover-close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem; border-radius: 999px; flex: none;
  border: 1px solid var(--color-line); background: var(--color-surface); color: var(--color-text);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.takeover-close:hover { background: var(--color-accent-muted); border-color: var(--color-text); }
@keyframes takeover-in { from { transform: translateY(24px); } to { transform: none; } }
@media (max-width: 767px) {
  html .podium.m-carousel li, html .podium.m-carousel li:last-child { border: 0; }
  html .podium.m-carousel a.row:hover { padding-left: 1.1rem; }
}
@media (max-width: 767px) {
  /* Gridkolonner skal ikke vokse med karusellens innhold */
  html main .grid > * { min-width: 0; }
  html main .grid:not([class*="grid-cols-"]) { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 767px) { html .m-hide { display: none; } }

[data-ro-note] { text-wrap: balance; }
@media (max-width: 359px) { [data-ro-note] { min-height: 2.8em; } }