/* De Oefenaar — gedeelde stijl. Volgt DeOefenaar-Design.md. */

:root {
  /* Kleuren */
  --color-theme:        #4C2678;
  --color-primary:      #7B5EA7;
  --color-secondary:    #E8E2F0;
  --color-accent:       #DC3E85;
  --color-hero-text:    #F5EFFC;
  --color-text:         #323F4B;
  --color-white:        #FFFFFF;
  --color-overlay:      rgba(0, 0, 0, 0.5);

  /* Feedback voor oefeningen */
  --color-correct:      #2E9E6A;
  --color-correct-bg:   #E3F4EC;
  --color-wrong:        #DC3E85;
  --color-wrong-bg:     #FBE5EF;
  --color-hint:         #F2B705;
  --color-hint-bg:      #FFF6D6;

  /* Typografie */
  --font-heading: "Anek Devanagari", system-ui, sans-serif;
  --font-body:    "Outfit", system-ui, sans-serif;
  --font-base-size: 16px;

  /* Vorm */
  --radius:       8px;
  --radius-tile:  24px;
  --radius-pill:  999px;
  --radius-round: 50%;
  --shadow:       none;

  /* Layout */
  --container-max: 1340px;
  --container-pad: 16px;
  --breakpoint-mobile: 992px;

  color-scheme: light;
}

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

/* Verborgen blijft verborgen, ook als een class display zet (tools rekenen hierop). */
[hidden]:not([hidden="until-found" i]) { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-secondary);
  color: var(--color-text);
  font: 400 var(--font-base-size)/1.5 var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.1;
  color: var(--color-theme);
  margin: 0 0 .5em;
}
h1 { font-size: 48px; font-weight: 700; }
h2 { font-size: 40px; font-weight: 700; }
h3 { font-size: 28px; font-weight: 500; }

@media (max-width: 991px) {
  h1 { font-size: 34px; }
  h2 { font-size: 30px; }
}

a { color: var(--color-theme); }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Golf-overgang tussen kleurvlakken */
.wave { display: block; width: 100%; height: 80px; }
@media (min-width: 992px) { .wave { height: 110px; } }

/* Kopbalk: logo links, menu rechts, blijft staan bij scrollen */
:root { --header-h: 76px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-secondary);
}
.header-in {
  min-height: var(--header-h);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  color: var(--color-theme);
  font: 700 26px/1 var(--font-heading);
  text-decoration: none;
}
.logo img { width: 44px; height: 44px; }
.logo:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; border-radius: var(--radius); }

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}
.menu a,
.sub-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  border-radius: var(--radius-pill);
  background: none;
  color: var(--color-theme);
  font: 400 16px/1.5 var(--font-body);
  text-decoration: none;
  cursor: pointer;
}
.menu a:hover,
.sub-toggle:hover { background: var(--color-white); }
.menu a:focus-visible,
.sub-toggle:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.menu [aria-current="page"],
.menu .is-current > .sub-toggle { font-weight: 700; }
.chev { width: 12px; height: 12px; transition: transform .15s ease; }
.sub-toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }

.has-sub { position: relative; }
.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 41;
  min-width: 240px;
  list-style: none;
  margin: 0;
  padding: 8px;
  background: var(--color-white);
  border-radius: var(--radius);
}
.has-sub:hover > .submenu,
.sub-toggle[aria-expanded="true"] + .submenu { display: block; }
.submenu a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  width: 100%;
  border-radius: var(--radius);
}
.submenu a:hover { background: var(--color-secondary); }
.submenu small { font-size: 13px; color: var(--color-text); font-weight: 400; }

/* Trakteer op koffie: gele pil rechts in het menu */
.menu .menu-coffee a {
  background: var(--color-hint);
  color: var(--color-theme);
  font-weight: 700;
  padding-inline: 16px;
}
.menu .menu-coffee a:hover { background: var(--color-hint); filter: brightness(1.06); }
@media (min-width: 992px) { .menu .menu-coffee { margin-left: 8px; } }

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

.menu-toggle { display: none; }

@media (max-width: 991px) {
  .js .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 8px 16px;
    border: 0;
    border-radius: var(--radius-pill);
    background: var(--color-theme);
    color: var(--color-white);
    font: 700 16px/1 var(--font-body);
    cursor: pointer;
  }
  .js .menu-toggle:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
  .js .site-header nav { display: none; }
  .js .site-header.open nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 8px var(--container-pad) 16px;
    background: var(--color-secondary);
    border-top: 1px solid rgba(76, 38, 120, 0.15);
  }
  .js .menu { flex-direction: column; align-items: stretch; }
  .js .menu a,
  .js .sub-toggle { width: 100%; justify-content: space-between; font-size: 18px; }
  .js .submenu { position: static; min-width: 0; margin: 4px 0 8px; }
  .js .has-sub:hover > .submenu { display: none; }
  .js .sub-toggle[aria-expanded="true"] + .submenu { display: block; }
}

/* Hero */
.hero {
  background: var(--color-theme);
  color: var(--color-secondary);
  padding-block: 56px 16px;
}
.hero h1 { color: var(--color-hero-text); margin-bottom: 8px; }
.hero p { margin: 0; font-size: 20px; }
.hero-center { text-align: center; }

/* Knoppen */
.btn {
  font: 700 20px/1.2 var(--font-body);
  padding: 8px 16px;
  min-height: 48px;
  border-radius: var(--radius-pill);
  border: none;
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer;
  text-decoration: none;
}
.btn--light   { background: var(--color-white); color: var(--color-accent); }
.btn--primary { background: var(--color-theme); color: var(--color-white); }
.btn--soft    { background: var(--color-primary); color: var(--color-white); }
.btn:hover    { filter: brightness(1.08); }
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* Oefenkaart */
.card {
  background: var(--color-white);
  border-radius: var(--radius-tile);
  padding: 32px;
}

/* Footer */
.site-footer {
  margin-top: auto;
}
.site-footer .footer-body {
  background: var(--color-theme);
  color: var(--color-secondary);
  font-size: 0.85rem;
  padding-block: 8px 32px;
  text-align: center;
}
.site-footer p { margin: 0; }
.site-footer .footer-links {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(232, 226, 240, 0.3);
}
.site-footer a {
  color: var(--color-white);
  display: inline-block;
  padding-block: 12px;
}
.site-footer a:focus-visible { outline: 3px solid var(--color-white); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}