/* Vrienden van GEM — base styles
   Design tokens overgenomen van D:\GEM\index.html mockup (ICTU + Utrecht).
*/

/* Nunito self-hosted (variable woff2). Source: Google Fonts (Open Font License).
   font-display: swap → tekst rendert direct in fallback en swapt bij font-load. */
@font-face {
  font-family: "Nunito";
  src: url("/static/fonts/nunito.woff2") format("woff2-variations"),
       url("/static/fonts/nunito.woff2") format("woff2");
  font-weight: 200 1000;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Variant D palet — drie pastels (lichtblauw / pale / groen) + dark navy als
     ink-kleur. Donkere tekst op alle gekleurde surfaces; geen wit-op-blauw meer.
     - `--color-primary` is nu de dark-navy "ink" (was vibrant #2952ff).
       Hierdoor blijven links/buttons accessible op witte achtergrond.
     - `--color-bg-blue` is opgewaardeerd naar het verzadigde lichtblauw uit
       het palet — gebruikt als hero/tile/feature surface in landing.css.
     - `--color-magenta` is hergebruikt als groen-accent (#b9d26e). Op elke
       plek die voorheen `color: white` op magenta zette is de tekstkleur
       geflipt naar `--color-primary-dark`. */
  --color-primary: #1a2570;
  --color-primary-hover: #0f1448;
  --color-primary-dark: #1a2570;
  /* Was magenta #b6149a (CTA-accent); nu groen #b9d26e uit Variant D-palet.
     #b9d26e tegenover wit = ~1.7:1 — NOOIT voor tekst op wit. Gebruik als
     pill-bg of solid surface; tekstkleur erop = --color-primary-dark (>9:1). */
  --color-magenta: #b9d26e;
  --color-magenta-hover: #a3bd5a;
  /* Cyan #4dc8f0 = 1.94:1 op wit — NOOIT voor tekst op witte achtergrond.
     Alleen voor decoratieve achtergrond, op donkerblauw, of als border-accent. */
  --color-cyan: #4dc8f0;
  --color-cyan-bright: #00b8e6;
  --color-purple: #7a2bd9;

  /* Tekst & achtergrond */
  --color-text: #0a0a0a;
  --color-text-muted: #4a4a4a;
  --color-text-on-dark: #ffffff;
  --color-bg: #ffffff;
  --color-bg-page: #f5f5f5;
  --color-bg-blue: #c0e4ea;       /* Variant D — lichtblauw hero/tile/feature surface */
  --color-bg-blue-pale: #deeff3;  /* Variant D — pale variant voor secundaire cards */
  --color-bg-subtle: #f8f9fc;
  /* Border was #d9d9d9 (1.46:1, FAIL 1.4.11). Donkerder voor 4.54:1 op wit. */
  --color-border: #767676;
  --color-border-soft: #d9d9d9;  /* alleen voor pure decoratie/dividers, niet voor UI-grenzen */
  --color-border-card: #e5e7eb;  /* outline van kaarten (kpi-card, cadans-card, stats-report) */
  --color-text-faint: #767676;   /* tertiary text — sub-labels, captions */
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);
  --color-success: #1a7a37;
  --color-error: #b3261e;
  --color-bg-error-soft: #fdecea;     /* pastel-rouge voor msg-bot.msg-error + signup-flash */
  --color-bg-success-soft: #e6f4ea;   /* pastel-groen voor signup-ok */
  --color-bg-user-msg: #3a5fff;       /* user-message bubble in hero-chat (iets zachter dan primary) */

  --color-link: #1a2570;
  /* Focus-ring: donkerblauw dat 8+:1 op wit haalt; voor groene/lichtblauwe
     achtergronden zorgt de witte halo in :focus-visible-rule eronder voor
     contrast. */
  --color-focus: #0046b8;

  --font-body: "Nunito", "Arial Rounded MT Bold", "Arial Rounded MT",
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;

  --max-width: 1280px;
  --radius-sm: 4px;
  --radius-md: 16px;
  --radius-pill: 999px;

  /* Deep magenta voor decoratieve card-bg (mock: nav-card-pink). In light =
     fallback naar gewone magenta; in dark = #9d174d (zie dark-blok). */
  --color-magenta-deep: var(--color-magenta);

  /* Footer-bg — Variant D: groen #b9d26e als brand-anker. Tekstkleur op
     groen = --color-primary-dark (zie .footer-regels verderop). */
  --color-footer-bg: #b9d26e;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* Anchor-jumps (bv. /#chat-block via "Vragen over GEM"-knop) reserveren
   ruimte aan de top zodat de header zichtbaar blijft i.p.v. boven de
   viewport te schuiven. 10rem dekt utility-bar + main header (logo 56px
   + padding). scroll-margin-top op #chat-block dient als backup voor
   browsers/situaties waar scroll-padding niet betrouwbaar werkt bij
   cross-page navigatie met hash-fragment. */
html {
  scroll-padding-top: 10rem;
  scroll-behavior: smooth;
}

#chat-block {
  scroll-margin-top: 10rem;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 var(--space-md) 0;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  /* Witte halo zorgt dat de blauwe outline ook tegen donkere/gekleurde achtergronden
     zichtbaar blijft (op magenta/primary geeft de halo zelf 5+:1 contrast). */
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.95);
}

button {
  font: inherit;
  cursor: pointer;
}

input,
textarea,
select {
  font: inherit;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  width: 100%;
  max-width: 32rem;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.skip-links a {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background: var(--color-text);
  color: white;
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
  text-decoration: none;
}

.skip-links a:focus-visible {
  top: var(--space-md);
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--color-bg);
  min-height: 100vh;
}

/* main krijgt tabindex="-1" voor skip-link target; verberg de daardoor ontstane
   default-focus-outline (alleen bij keyboard via skip-link) zodat het er geen
   visuele storing veroorzaakt. */
main:focus {
  outline: none;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ========================================================================
   HEADER — utility bar + main header
   ======================================================================== */
.header-utility {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-md) var(--space-xl);
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--color-bg-page);
  flex-wrap: wrap;
}

.header-utility a {
  color: var(--color-primary-dark);
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.header-utility a:hover {
  text-decoration: underline;
}

.header-utility .arrow-up {
  display: inline-block;
  transform: rotate(-45deg);
  font-weight: 700;
}

.header-utility .lang-form {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.header-utility .lang-form > span[aria-hidden="true"] {
  margin-left: -4px;
}

.header-utility .lang-form select {
  width: auto;
  /* WCAG 2.5.8 AA — target ≥24×24; 2.25rem (36px) geeft buffer en past goed bij utility-bar. */
  padding: var(--space-xs) var(--space-sm);
  min-height: 2.25rem;
  font-size: 0.9375rem;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-primary-dark);
  font-weight: 700;
}

.header-utility .lang-form .lang-submit {
  background: transparent;
  /* Zachter grijs kader (matcht select); tekstkleur navy voor leesbaarheid. */
  border: 1px solid var(--color-border);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: var(--space-xs) var(--space-md);
  min-height: 2.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-left: var(--space-sm);
}

.header-utility .lang-form .lang-submit:hover {
  /* Subtiele lichtblauwe hover ipv harde navy-vlak met witte tekst. */
  background: var(--color-bg-blue-pale);
  color: var(--color-primary-dark);
}

.header {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-lg) var(--space-xl);
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  /* Tekst-fill van inline-SVG via currentColor — override de parent <a>-
     link-kleur zodat de "GEM"-letters body-text-kleur volgen. */
  color: var(--color-text);
}

.logo-mark img,
.logo-mark svg {
  height: 56px;
  width: auto;
  display: block;
}

.nav-main {
  flex: 1;
  min-width: 240px;
}

.header-collapsible {
  display: contents; /* Op desktop: kinderen vallen in de header-flex; op mobiel
                        wordt deze container een drawer (zie media-query). */
}

/* ──────── Hamburger-trigger + close-knop (mobile-only) ─────── */
.menu-toggle {
  display: none; /* Op desktop verborgen; mobiel-mediaquery zet 'm op flex. */
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-left: auto;
}
.menu-toggle-bar {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--color-primary-dark);
  border-radius: 999px;
  transition: transform 0.2s, opacity 0.2s;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.menu-close {
  display: none; /* Alleen zichtbaar binnen de mobile drawer. */
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-primary-dark);
  cursor: pointer;
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease-out, visibility 0s linear 0.25s;
  z-index: 90;
}
.menu-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s ease-out, visibility 0s;
}

/* ──────── Mobile breakpoint: collapsible wordt drawer ─────── */
@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }

  .header-collapsible {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80%;
    max-width: 320px;
    background: var(--color-bg);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.25s ease-out;
    z-index: 100;
    padding: calc(var(--space-xl) * 1.5) var(--space-xl) var(--space-xl);
    overflow-y: auto;
  }
  .header-collapsible.is-open { transform: translateX(0); }
  .menu-close { display: inline-flex; align-items: center; justify-content: center; }

  /* Drawer-content: vertikale lijst, CTA volledig breed */
  .header-collapsible .nav-main { width: 100%; min-width: 0; flex: none; }
  .header-collapsible .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  .header-collapsible .nav-link {
    font-size: 1.125rem;
    padding: var(--space-sm) 0;
    width: 100%;
  }
  .header-collapsible .header-search {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-soft);
  }
  .header-collapsible .header-search .btn-pill { display: block; text-align: center; }

  /* Body scroll lock wanneer drawer open is — toegepast door menu.js */
  body.menu-open { overflow: hidden; }
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  justify-content: center;
}

.nav-link {
  color: var(--color-primary-dark);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  padding: var(--space-sm) 0;
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--color-magenta);
}

.header-search {
  flex-shrink: 0;
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-magenta);
  /* Variant D: groen #b9d26e als pill-bg → donkere tekst (#1a2570 = >9:1 contrast). */
  color: var(--color-primary-dark);
  text-decoration: none;
  padding: var(--space-sm) var(--space-lg);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-pill:hover {
  background: var(--color-magenta-hover);
}

.btn-pill-secondary {
  background: var(--color-primary);
  color: white;
}

.btn-pill-secondary:hover {
  background: var(--color-primary-hover);
}

/* ========================================================================
   FOOTER — Variant D: groene achtergrond, donkere tekst
   ======================================================================== */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-primary-dark);
  /* Horizontale padding zit op de inner containers (.footer-grid +
     .footer-bottom) zodat de groene bg full-bleed loopt maar de content
     uitlijnt met de section-paddings van .hero-section / .tile-section etc. */
  padding: var(--space-2xl) 0 var(--space-xl);
  margin-top: var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-xl);
}

@media (max-width: 700px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.footer .footer-heading {
  color: var(--color-primary-dark);
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 var(--space-md) 0;
  line-height: 1.2;
}

.footer .footer-about {
  font-size: 0.9375rem;
  color: rgba(26, 37, 112, 0.85);
  margin-bottom: var(--space-md);
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer li {
  padding: var(--space-xs) 0;
  font-size: 0.9375rem;
}

.footer a {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.footer .telnr-footer {
  color: var(--color-primary-dark);
  text-decoration: underline;
  font-weight: 800;
}

.footer .link-button {
  /* Cookie-instellingen-knop in footer (F-09-010 — AVG art.7(3) revoke).
     Semantisch een button (acties op consent-state), visueel als link in lijn
     met de naburige <a>-items. */
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  font: inherit;
  color: var(--color-primary-dark);
  text-decoration: underline;
  cursor: pointer;
}

.footer .link-button:hover {
  text-decoration: none;
}

.footer-bottom {
  /* Streep via ::before zodat hij alleen over de tekst-breedte loopt
     (border-top op het element zelf liep tot voorbij de horizontale padding). */
  position: relative;
  padding: var(--space-lg) var(--space-xl) 0;
  font-size: 0.875rem;
  color: rgba(26, 37, 112, 0.75);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}
.footer-bottom::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-xl);
  right: var(--space-xl);
  height: 1px;
  background: rgba(26, 37, 112, 0.2);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.footer-social a {
  /* WCAG 2.5.8 AA Target Size: minimaal 44×44px voor onafhankelijke targets.
     Variant D: dark-navy pill op groene footer — voldoende contrast voor
     iconen (wit op #1a2570 = ~13:1). */
  width: 44px;
  height: 44px;
  background: var(--color-primary-dark);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 800;
}

.footer-social a:hover {
  background: var(--color-primary-hover);
  color: white;
}