/* =========
   Basis / Reset
   ========= */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

:root{
  --bg: #ffffff;
  --text: #222222;          /* Donkergrijs, goed leesbaar */
  --muted: #6b7280;         /* Subtekst */
  --brand: #0f766e;         /* Diep groen-blauw (kalme ILN-vibe) */
  --brand-ink: #0b5b55;     /* Hover/donkere variant */
  --border: #e5e7eb;        /* Lichte lijnen */
  --surface: #f8fafc;       /* Heel licht grijs-blauw voor secties */
  --radius: 10px;
  --shadow: 0 6px 24px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
}

body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  color: var(--text) !important;     /* Forceer donkere tekst */
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========
   Layout helpers
   ========= */
.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

.section{
  padding: 64px 0;
}

@media (max-width: 720px){
  .section{ padding: 48px 0; }
}

/* =========
   Koppen & tekst
   ========= */
h1, h2, h3, h4{
  color: var(--text);
  line-height: 1.25;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

h1{ font-size: clamp(28px, 4.5vw, 38px); font-weight: 700; }
h2{ font-size: clamp(22px, 3.6vw, 28px); font-weight: 700; }
h3{ font-size: clamp(18px, 2.8vw, 22px); font-weight: 600; }

p{
  margin: 0 0 18px;
  color: var(--text);
}

.lead{
  font-size: clamp(18px, 2.6vw, 20px);
  color: var(--text);
}

.hook{
  font-size: 15px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand-ink);
  margin: 0 0 8px;
}

/* =========
   Links & knoppen
   ========= */
a{
  color: var(--brand);
  text-decoration: none;
}

a:hover,
a:focus{
  color: var(--brand-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.button,
a.button,
.cta{
  display: inline-block;
  background: var(--brand);
  color: #fff !important;
  border: 1px solid var(--brand);
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  letter-spacing: .02em;
  box-shadow: var(--shadow);
  text-decoration: none !important;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
}

.button:hover,
.cta:hover{
  background: var(--brand-ink);
  border-color: var(--brand-ink);
  transform: translateY(-1px);
}

.button:focus-visible,
.cta:focus-visible{
  outline: 3px solid rgba(15,118,110,.35);
  outline-offset: 2px;
}

/* =========
   Header / Navigatie
   ========= */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand{
  font-weight: 800;
  color: var(--text);
  letter-spacing: .01em;
  text-decoration: none;
}

.site-nav{
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a{
  color: var(--text);
  padding: 8px 4px;
  border-radius: 6px;
  text-decoration: none;
}

.site-nav a[aria-current="page"]{
  color: var(--brand-ink);
  font-weight: 700;
}

.site-nav .cta{
  margin-left: 8px;
}

/* Mobile nav stapelt simpel onder elkaar */
@media (max-width: 860px){
  .nav-wrap{
    flex-wrap: wrap;
    padding: 10px 0;
  }
  .site-nav{
    width: 100%;
    justify-content: flex-start;
    gap: 12px;
  }
}

/* =========
   Hero
   ========= */
.hero{
  padding: 84px 0 64px;
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 60%);
  border-bottom: 1px solid var(--border);
}

.hero .headline{
  margin: 6px 0 12px;
}

.hero .lead{
  max-width: 70ch;
}

.hero .cta{
  margin-top: 10px;
}

/* =========
   Content secties
   ========= */
.section p{
  max-width: 75ch;
}

/* =========
   Footer
   ========= */
.site-footer{
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 24px 0;
  font-size: 15px;
}

.site-footer p{
  margin: 0;
  color: var(--text);
}

/* =========
   Toegankelijkheid & kleine accenten
   ========= */
::selection{
  background: rgba(15,118,110,.18);
}

img{
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Zorg dat ALLE headings/links nooit wit worden door oude CSS */
h1,h2,h3,h4,h5,h6, a, strong, b, em, i, small, blockquote{
  color: var(--text);
}