/* Datawijs – stijlblad
   Alle kleuren staan als variabelen bovenaan: eerst licht, daarna donker. */

@font-face {
  /* TODO: zet je huisstijlfont als brand.woff2 in /assets/fonts/ */
  font-family: "Brand";
  src: url("../fonts/brand.woff2") format("woff2");
  font-display: swap;
}

/* ---------- Licht thema (standaard) ---------- */
:root {
  color-scheme: light;
  /* Merkkleuren uit het Datawijs-logo */
  --brand-petrol: #0b7a6e;
  --brand-ink: #1c2b2a;
  --brand-lime: #72b01d;

  --c-btn: var(--brand-petrol);     /* knoppen (witte tekst) */
  --c-btn-text: #ffffff;
  --c-link: var(--brand-petrol);    /* links */
  --c-heading: var(--brand-ink);    /* titels */
  --c-accent: var(--brand-lime);    /* enkel decoratief: vinkjes, lijnen */
  --c-accent-text: #4c7a12;         /* groen voor kleine tekst, leesbaar */
  --c-text: #1d2733;
  --c-muted: #5b6876;
  --c-bg: #ffffff;
  --c-bg-alt: #f3f6f8;
  --c-surface: #ffffff;             /* kaarten, header, invoervelden */
  --c-border: #dde4ea;
  --c-band: var(--brand-petrol);    /* groene CTA-band */
  --c-footer: var(--brand-ink);
  --c-footer-text: #c5d1cf;
  --c-step: var(--brand-ink);       /* bolletjes 1-2-3-4 */
  --c-error-bg: #fdecec;
  --c-error-text: #8a1c1c;

  --font: "Brand", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 12px;
  --wrap: 1120px;
}

/* ---------- Donker thema ---------- */
/* Waarden voor donker; toegepast via systeeminstelling of de knop in de header */
:root[data-theme="dark"] {
  color-scheme: dark;
  --c-btn: #0b7a6e;
  --c-btn-text: #ffffff;
  --c-link: #5cc9b8;
  --c-heading: #f1f6f5;
  --c-accent: #8fd13a;
  --c-accent-text: #9fd957;
  --c-text: #dbe4e2;
  --c-muted: #9fb0ad;
  --c-bg: #111918;
  --c-bg-alt: #172220;
  --c-surface: #1b2725;
  --c-border: #2d3d3a;
  --c-band: #0a5f56;
  --c-footer: #0b1110;
  --c-footer-text: #a9b8b5;
  --c-step: #0b7a6e;
  --c-error-bg: #3a1d1d;
  --c-error-text: #f3b4b4;
}
/* Geen keuze gemaakt? Volg dan de instelling van het toestel */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --c-btn: #0b7a6e;
    --c-btn-text: #ffffff;
    --c-link: #5cc9b8;
    --c-heading: #f1f6f5;
    --c-accent: #8fd13a;
    --c-accent-text: #9fd957;
    --c-text: #dbe4e2;
    --c-muted: #9fb0ad;
    --c-bg: #111918;
    --c-bg-alt: #172220;
    --c-surface: #1b2725;
    --c-border: #2d3d3a;
    --c-band: #0a5f56;
    --c-footer: #0b1110;
    --c-footer-text: #a9b8b5;
    --c-step: #0b7a6e;
    --c-error-bg: #3a1d1d;
    --c-error-text: #f3b4b4;
  }
}

/* ---------- Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--c-text); background: var(--c-bg); line-height: 1.6; font-size: 1.0625rem; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-link); }
h1, h2, h3 { line-height: 1.2; color: var(--c-heading); margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 780px; }
.center { text-align: center; }
.small { font-size: .9rem; color: var(--c-muted); }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--c-surface); padding: .5rem 1rem; z-index: 100; }

/* ---------- Knoppen ---------- */
.btn { display: inline-block; background: var(--c-btn); color: var(--c-btn-text); text-decoration: none; padding: .85rem 1.4rem; border-radius: 999px; border: 2px solid var(--c-btn); cursor: pointer; font: inherit; font-weight: 600; transition: filter .15s; }
.btn:hover { filter: brightness(.93); }
.btn-ghost { background: transparent; color: var(--c-heading); border-color: var(--c-heading); }
.btn-light { background: #fff; color: var(--brand-ink); border-color: #fff; }
.btn-small { padding: .45rem 1rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0; }

/* ---------- Header en navigatie ---------- */
.site-header { border-bottom: 1px solid var(--c-border); background: var(--c-surface); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 1rem; }
.logo { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--c-heading); font-weight: 700; font-size: 1.45rem; letter-spacing: -.01em; }
.logo img { height: 32px; width: auto; }
.nav { margin-left: auto; }
.header-tools { display: flex; align-items: center; gap: .5rem; }
.nav ul { list-style: none; display: flex; align-items: center; gap: 1.4rem; margin: 0; padding: 0; }
.nav a { text-decoration: none; color: var(--c-text); font-weight: 500; }
.nav a[aria-current="page"] { color: var(--c-link); }
.nav a.btn { color: var(--c-btn-text); }
.nav .lang { color: var(--c-muted); font-size: .95rem; }
.nav-toggle, .theme-toggle { background: none; color: var(--c-text); border: 1px solid var(--c-border); border-radius: 8px; padding: .45rem .8rem; font: inherit; cursor: pointer; }
.nav-toggle { display: none; }
.theme-toggle { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (max-width: 1100px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 68px; background: var(--c-surface); border-bottom: 1px solid var(--c-border); }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; align-items: flex-start; padding: 1rem 1.25rem 1.5rem; gap: 1rem; }
}

/* Logo in donker thema: wit tegeltje zodat de donkere balk zichtbaar blijft */
:root[data-theme="dark"] .logo img { background: #fff; border-radius: 6px; padding: 3px; }

/* ---------- Hero ---------- */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 3rem; background: linear-gradient(180deg, var(--c-bg-alt), var(--c-bg)); }
.hero-small { padding: clamp(2.5rem, 6vw, 4rem) 0 1.5rem; }
.eyebrow { color: var(--c-accent-text); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .85rem; }
.lead { font-size: 1.2rem; color: var(--c-muted); max-width: 680px; }
.trust { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; color: var(--c-muted); font-size: .95rem; }
.trust li::before { content: "✓ "; color: var(--c-accent); font-weight: 700; }

/* ---------- Secties ---------- */
.section { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.section.alt { background: var(--c-bg-alt); }
.cards { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1.5rem; }
/* Homepage: Excel en Power BI (kern) breed, de andere drie smaller */
@media (min-width: 900px) {
  .cards-home { grid-template-columns: repeat(6, 1fr); }
  .cards-home > * { grid-column: span 2; }
  .cards-home > :nth-child(-n+2) { grid-column: span 3; }
}
.card-link { text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.card-link:hover { border-color: var(--c-link); transform: translateY(-2px); }
.card .more { color: var(--c-link); font-weight: 600; }
.grid-2 { display: grid; gap: 1.5rem 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.feature h3 { border-left: 4px solid var(--c-accent); padding-left: .7rem; }

.steps { list-style: none; counter-reset: step; padding: 0; display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.steps li { counter-increment: step; position: relative; padding-top: 3rem; }
.steps li::before { content: counter(step); position: absolute; top: 0; left: 0; width: 2.3rem; height: 2.3rem; border-radius: 50%; background: var(--c-step); color: #fff; display: grid; place-items: center; font-weight: 700; }

.checks { list-style: none; padding: 0; }
.checks li { padding-left: 1.8rem; position: relative; margin-bottom: .6rem; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--c-accent); font-weight: 700; }

.faq details { border-bottom: 1px solid var(--c-border); padding: 1rem 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--c-heading); }
.faq details p { margin: .7rem 0 0; color: var(--c-muted); }

.cta-band { background: var(--c-band); color: #fff; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #e3f1ef; }

.about-grid, .contact-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1.6fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1.4fr; align-items: start; }
}
.portrait { border-radius: var(--radius); margin-bottom: 1rem; }

/* ---------- Formulier ---------- */
.form label { display: block; font-weight: 600; margin-bottom: 1rem; }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: .35rem; padding: .7rem .8rem; border: 1px solid var(--c-border); border-radius: 8px; font: inherit; font-weight: 400; background: var(--c-bg); color: var(--c-text); }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--c-link); border-color: transparent; }
.form .consent { display: flex; gap: .6rem; font-weight: 400; font-size: .95rem; }
.form .consent input { width: auto; margin-top: .3rem; }
.form-error { background: var(--c-error-bg); color: var(--c-error-text); padding: .8rem; border-radius: 8px; }
.hp { position: absolute; left: -9999px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-footer); color: var(--c-footer-text); padding: 3rem 0 1rem; font-size: .95rem; }
.site-footer a { color: #fff; }
.site-footer h2 { color: #fff; font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.footer-logo { color: #fff; margin: 0 0 1rem; }
.footer-logo img { background: #fff; border-radius: 6px; padding: 4px; height: 36px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); padding-top: 1rem; margin-top: 2rem; }