/* ============================================================
   Flowbright — websitestijl op basis van Merkgids v1.0
   Kleuren nog in ontwikkeling: pas uitsluitend de variabelen
   hieronder aan, de rest van de site volgt automatisch.
   ============================================================ */

:root {
  /* Kleurenpalet (Merkgids hfst. 6) */
  --nachtblauw:   #14283C;  /* primair: koppen, logo, donkere vlakken */
  --stroompetrol: #16697A;  /* secundair: accenten, lijnen, links */
  --lichtamber:   #F2A33C;  /* accent: spaarzaam, max. één per pagina */
  --amber-donker: #C77F1E;  /* amber als tekst op licht */
  --warmwit:      #FAF7F1;  /* achtergrond */
  --grafiet:      #26313A;  /* lopende tekst */
  --steengrijs:   #9AA6AD;  /* bijschriften, lijnen, gedempt */

  /* Typografie (Merkgids hfst. 7) */
  --font-kop:   'Bricolage Grotesque', 'Arial Black', sans-serif;
  --font-tekst: 'Work Sans', Calibri, Arial, sans-serif;
  --font-mono:  'IBM Plex Mono', Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-tekst);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--grafiet);
  background: var(--warmwit);
}

/* ---------- Typografie ---------- */

h1, h2, h3 {
  font-family: var(--font-kop);
  color: var(--nachtblauw);
  line-height: 1.15;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-bottom: .5rem; }

p + p { margin-top: 1em; }

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

.label {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--stroompetrol);
  display: block;
  margin-bottom: .9rem;
}

/* ---------- Layout ---------- */

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 4.5rem 0; }

.narrow { max-width: 720px; }

/* ---------- Navigatie ---------- */

header {
  background: var(--warmwit);
  border-bottom: 1px solid rgba(154, 166, 173, .35);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  max-width: 1060px;
  margin: 0 auto;
}

/* Wordmark: verkenning A — Flow in stroompetrol, Bright in nachtblauw */
.wordmark {
  font-family: var(--font-kop);
  font-weight: 700;
  font-size: 1.45rem;
  text-decoration: none;
  color: var(--nachtblauw);
}
.wordmark .flow { color: var(--stroompetrol); }
.wordmark .dot  { color: var(--lichtamber); }

.nav ul {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.nav ul a {
  text-decoration: none;
  color: var(--grafiet);
  font-size: .95rem;
  padding-bottom: .25rem;
  border-bottom: 2px solid transparent;
}

.nav ul a:hover { color: var(--stroompetrol); }

.nav ul a.actief {
  color: var(--nachtblauw);
  border-bottom-color: var(--stroompetrol);
  font-weight: 600;
}

/* ---------- Hero (donker vlak) ---------- */

.hero {
  background: var(--nachtblauw);
  color: var(--warmwit);
  padding: 6rem 0 5.5rem;
}

.hero h1 { color: #FFFFFF; max-width: 780px; }

/* Verkenning B: op donker wordt "bright" letterlijk het licht */
.hero h1 .licht { color: var(--lichtamber); }

.hero p {
  max-width: 640px;
  margin-top: 1.4rem;
  color: rgba(250, 247, 241, .88);
  font-size: 1.15rem;
}

.hero .label { color: var(--lichtamber); }

/* ---------- Knoppen ---------- */

.knoppen { margin-top: 2.2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.knop {
  display: inline-block;
  padding: .85rem 1.7rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: .98rem;
}

.knop-primair {
  background: var(--lichtamber);
  color: var(--nachtblauw);
}
.knop-primair:hover { background: #E8952B; }

.knop-secundair {
  border: 1.5px solid var(--stroompetrol);
  color: var(--stroompetrol);
}
.knop-secundair:hover { background: rgba(22, 105, 122, .08); }

.hero .knop-secundair {
  border-color: rgba(250, 247, 241, .55);
  color: var(--warmwit);
}
.hero .knop-secundair:hover { background: rgba(250, 247, 241, .1); }

/* ---------- Kaarten ---------- */

.kaarten {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.kaart {
  background: #FFFFFF;
  border: 1px solid rgba(154, 166, 173, .3);
  border-top: 3px solid var(--stroompetrol);
  border-radius: 6px;
  padding: 1.8rem;
}

.kaart .nummer {
  font-family: var(--font-mono);
  color: var(--steengrijs);
  font-size: .85rem;
  display: block;
  margin-bottom: .6rem;
}

/* ---------- Quote / kernbelofte ---------- */

.kernbelofte {
  background: var(--stroompetrol);
  color: var(--warmwit);
  padding: 4rem 0;
}

.kernbelofte blockquote {
  font-family: var(--font-kop);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.35;
  max-width: 820px;
}

.kernbelofte .bron {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-top: 1.2rem;
  color: rgba(250, 247, 241, .7);
}

/* ---------- Stappen (werkwijze) ---------- */

.stap {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.5rem;
  padding: 2.2rem 0;
  border-bottom: 1px solid rgba(154, 166, 173, .35);
}

.stap:last-of-type { border-bottom: none; }

.stap .cijfer {
  font-family: var(--font-kop);
  font-size: 2.4rem;
  color: var(--stroompetrol);
  line-height: 1;
}

/* ---------- Twee kolommen ---------- */

.twee-kolommen {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 760px) {
  .twee-kolommen { grid-template-columns: 1fr; }
  .stap { grid-template-columns: 48px 1fr; }
}

/* ---------- Afsluitend donker blok ---------- */

.afsluiter {
  background: var(--nachtblauw);
  color: var(--warmwit);
  padding: 4.5rem 0;
  text-align: center;
}

.afsluiter h2 { color: #FFFFFF; }
.afsluiter p { max-width: 560px; margin: 1rem auto 0; color: rgba(250, 247, 241, .85); }
.afsluiter .knoppen { justify-content: center; }

/* ---------- Footer ---------- */

footer {
  background: var(--grafiet);
  color: var(--steengrijs);
  padding: 2.5rem 0;
  font-size: .9rem;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

footer .wordmark { font-size: 1.2rem; color: var(--warmwit); }
footer .wordmark .flow { color: var(--stroompetrol); }

footer .tagline {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

footer a { color: var(--steengrijs); }