/* Burner Automation Rotterdam - statische site (opbouw en huisstijl van het oude Structure-thema) */
@font-face{font-family:'Lato';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/lato-400-latin.woff2) format('woff2')}
@font-face{font-family:'Lato';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/lato-700-latin.woff2) format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:500 700;font-display:swap;src:url(fonts/montserrat-latin.woff2) format('woff2')}

:root {
  --blauw: #1b273d;
  --geel: #ffb600;
  --geel-donker: #f2a900;
  --inkt: #111;
  --tekst: #000;
  --grijs: #999;
  --licht: #f5f5f5;
  --veld: #f7f7f7;
  --kop: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Lato', 'Helvetica Neue', Arial, sans-serif;
  --wrap: 1170px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--tekst); font: 400 17px/1.75 var(--body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
picture { display: block; }
a { color: inherit; }
p { margin: 0 0 1.1em; }
h1, h2, h3, h4 { font-family: var(--kop); color: var(--inkt); line-height: 1.3; margin: 0 0 .6em; }
h3 { font-size: 17px; font-weight: 700; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 15px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--geel); color: #fff; padding: 8px 14px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--geel); outline-offset: 3px; }
.ic { width: 1em; height: 1em; fill: currentColor; flex: none; }
.geel { color: var(--geel); }

/* Knoppen */
.knop { display: inline-block; font: 400 14px/1 var(--kop); text-transform: uppercase; letter-spacing: .5px; text-decoration: none;
  padding: 13px 22px; border: 0; cursor: pointer; transition: background .2s, color .2s; }
.knop-blauw { background: var(--blauw); color: #fff; }
.knop-blauw:hover { background: var(--geel); color: #fff; }
.knop-geel { background: var(--geel); color: #fff; font-weight: 700; font-size: 13px; letter-spacing: 1.3px; }
.knop-geel:hover { background: var(--blauw); }
.knop-licht { background: #fff; color: var(--blauw); font-weight: 700; font-size: 13px; }

/* Kop */
.kop { background: #fff; position: relative; z-index: 20; }
.kop-rij { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 92px; }
.logo img { width: 237px; height: auto; }
.kop-info { display: flex; align-items: center; gap: 14px; color: var(--inkt); font: 700 15px/1.4 var(--kop); }
.kop-tel-icoon { width: 38px; height: 38px; border: 2px solid var(--geel); display: grid; place-items: center; color: var(--geel); font-size: 16px; }
.kop-info a { text-decoration: none; }
.kop-mail { font: 400 14px var(--body); color: var(--grijs); }
.menu-knop { display: none; background: none; border: 0; font-size: 28px; color: var(--blauw); cursor: pointer; padding: 6px; }
.menu { list-style: none; margin: 0; padding: 0; display: flex; }
.menu a, .sub-knop { font: 700 14px/1 var(--kop); text-transform: uppercase; letter-spacing: 1px; text-decoration: none; background: none; border: 0;
  cursor: pointer; display: flex; align-items: center; gap: 4px; }
.heeft-sub { position: relative; }
.sub { list-style: none; margin: 0; padding: 10px 0; position: absolute; top: 100%; left: 0; min-width: 240px; background: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .12); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s; z-index: 30; }
.heeft-sub:hover .sub, .heeft-sub:focus-within .sub, .heeft-sub.open .sub { opacity: 1; visibility: visible; transform: none; }
.sub a { padding: 10px 22px; color: var(--inkt); font-weight: 500; font-size: 13px; letter-spacing: .5px; }
.sub a:hover { color: var(--geel); }

/* Home: blauwe menubalk over de slider */
.navbalk { position: absolute; left: 0; right: 0; top: 100%; }
.navbalk .wrap > .menu { background: var(--blauw); }
.navbalk .menu > li > a, .navbalk .sub-knop { color: #fff; padding: 22px 24px; position: relative; }
.navbalk .menu > li + li { border-left: 1px solid rgba(255, 255, 255, .08); }
.navbalk .menu > li > a.actief::before, .navbalk .menu > li > a:hover::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--geel); }

/* Binnenpagina's: licht menu naast het logo */
.navlicht .menu > li > a, .navlicht .sub-knop { color: var(--grijs); padding: 10px 11px; position: relative; }
.navlicht .menu > li > a:hover, .navlicht .sub-knop:hover { color: var(--geel); }
.navlicht .menu > li > a.actief { color: var(--geel); }
.navlicht .menu > li > a.actief::after { content: ""; position: absolute; left: 11px; right: 11px; bottom: 2px; height: 2px; background: var(--geel); }
.navlicht .menu > li > a.actief::before { content: ""; position: absolute; left: 5px; top: 2px; width: 6px; height: 6px; border-left: 2px solid var(--geel); border-top: 2px solid var(--geel); }

/* Slider (home) */
.slider { position: relative; height: clamp(380px, 36vw, 560px); background: #222; overflow: hidden; }
.dia { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1s; display: grid; place-items: center; }
.dia::after { content: ""; position: absolute; inset: 0; background: rgba(0, 0, 0, .35); }
.dia.actief { opacity: 1; }
.dia-tekst { position: relative; z-index: 1; text-align: center; color: #fff; padding: 0 20px; max-width: 1140px; margin-top: 40px; }
.dia-titel { font: 500 clamp(28px, 3.9vw, 54px)/1.1 var(--kop); text-transform: uppercase; margin: 0 0 12px; letter-spacing: -.5px; }
.dia-sub { font: 400 clamp(15px, 1.5vw, 20px)/1.4 var(--body); text-transform: uppercase; letter-spacing: 1px; margin: 0; }
.slider-stippen { position: absolute; bottom: 24px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; z-index: 2; }
.slider-stippen { gap: 4px; }
.slider-stippen button { width: 26px; height: 26px; border: 0; background: none; cursor: pointer; padding: 0; display: grid; place-items: center; }
.slider-stippen button::before { content: ""; width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; box-sizing: border-box; }
.slider-stippen button[aria-selected="true"]::before { background: #fff; }

/* Gele balk (home) */
.cta-balk { background: var(--geel); }
.cta-balk-rij { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 26px; padding-bottom: 26px; }
.cta-balk p { margin: 0; color: #fff; font: 700 22px/1.3 var(--kop); }
.cta-balk .knop { padding: 15px 22px; }

/* Blokken */
.blok { padding: 70px 0; }
.blok.grijs { background: var(--licht); }
.sectiekop { font: 600 24px/1.3 var(--kop); text-transform: uppercase; letter-spacing: 2.4px; margin-bottom: 34px; display: inline-block; }
.sectiekop::after { content: ""; display: block; height: 3px; background: var(--geel); margin-top: 8px; }
.sectiekop.midden { display: table; margin-left: auto; margin-right: auto; }
.sectiekop.klein { font-size: 16px; margin-bottom: 26px; }

.wie { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.wie-tekst h3 { font-size: 17px; margin-bottom: 1.2em; }
.expertise { position: relative; margin-bottom: 22px; }
.expertise img { width: 100%; }
.expertise::after { content: ""; position: absolute; inset: 0; background: rgba(27, 39, 61, .55); }
.expertise-tekst { position: absolute; inset: 0; z-index: 1; display: grid; place-content: center; text-align: center; color: #fff; font-family: var(--kop); text-transform: uppercase; }
.expertise-1 { font-size: 18px; font-weight: 700; margin: 0; }
.expertise-2 { font-size: 24px; font-weight: 700; margin: 0; letter-spacing: 1px; }
.presenteert { display: grid; grid-template-columns: 1fr 2fr; gap: 30px; background: #f8f8f8; padding: 30px 40px 20px; margin-top: 50px; }
.presenteert-logos { display: grid; gap: 22px; align-content: start; }
.presenteert-logos picture:first-child img { width: 196px; }
.presenteert-logos picture:last-child img { width: 300px; }
.presenteert h3 { font-size: 17px; }

.diensten { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px 30px; }
.dienst { text-align: center; display: flex; flex-direction: column; align-items: center; }
.dienst-beeld { width: 150px; height: 150px; border-radius: 50%; object-fit: cover; margin-bottom: 14px; }
.dienst h3 { font-size: 16px; margin-bottom: 6px; }
.dienst p { max-width: 330px; margin-bottom: 18px; }
.dienst .knop { margin-top: auto; padding: 12px 16px; font-size: 13px; }

/* Paginatitel (binnenpagina's) */
.paginatitel { background-size: cover; background-position: center; padding: 70px 0 55px; text-align: center; }
.paginatitel h1 { font: 700 36px/1.2 var(--kop); text-transform: uppercase; margin: 0 0 18px; }
.kruimel { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 8px; background: #fff; padding: 12px 22px; font-size: 15px; color: var(--grijs); }
.kruimel a { color: var(--inkt); text-decoration: none; }
.kruimel a:hover { color: var(--geel); }

/* Binnenpagina met zijkolom */
.met-zij { display: grid; grid-template-columns: 1fr 3fr; gap: 50px; }
.met-zij.rechts { grid-template-columns: 3fr 1fr; }
.contactlijst { list-style: none; margin: 0; padding: 0; }
.contactlijst li { display: flex; gap: 12px; margin-bottom: 14px; line-height: 1.6; }
.contactlijst .ic { color: var(--geel); margin-top: .35em; }
.contactlijst a { text-decoration: none; }
.contactlijst a:hover { color: var(--geel); }
.hoofd > p, .hoofd li { font-size: 16px; }
.fotos { display: grid; gap: 12px; margin-bottom: 34px; }
.fotos.twee, .fotos.drie { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.fotos img { width: 100%; height: 100%; object-fit: cover; }
.fotos.twee img { aspect-ratio: 3 / 2; }
.fotos.drie img { aspect-ratio: 1; }
.fotos.twee-klein { grid-template-columns: repeat(2, minmax(0, 300px)); }
.vierkant { margin: 0 0 1.4em; padding-left: 18px; list-style: square; }
.vierkant li { margin-bottom: 4px; }
.merken { display: grid; grid-template-columns: 1fr 2fr; gap: 30px; margin-bottom: 10px; }
.merken-kop { font-weight: 700; margin-bottom: .6em; }
.instrument { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; margin-bottom: 30px; }
.instrument h3 { font: 600 20px/1.3 var(--kop); }
.producten { display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-end; margin-bottom: 34px; }
.producten img { height: 170px; width: auto; }

/* Gele offertebalk onder binnenpagina's */
.cta-box { display: grid; grid-template-columns: 1fr auto; background: var(--geel); margin-top: 40px; overflow: hidden; }
.cta-box-tekst { margin: 0; padding: 24px 40px; color: #fff; font: 700 22px/1.3 var(--kop); letter-spacing: .5px; text-align: center; }
.cta-box-knop { display: flex; align-items: center; gap: 6px; padding: 0 50px; background: var(--geel-donker); color: #fff; text-decoration: none;
  font: 700 16px/1 var(--kop); text-transform: uppercase; position: relative; clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%); }
.cta-box-knop:hover { background: var(--blauw); }

/* Formulier */
.formulier { display: grid; gap: 14px; margin-top: 26px; }
.velden-drie { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.formulier input, .formulier textarea { width: 100%; border: 0; background: var(--veld); padding: 13px 16px; font: 400 15px var(--body); color: var(--inkt); }
.formulier input::placeholder, .formulier textarea::placeholder { color: var(--grijs); font-style: italic; }
.formulier .knop { justify-self: start; padding: 14px 26px; }
.lok { position: absolute; left: -9999px; }
.smal { max-width: 760px; }

/* Voet */
.voet { background: var(--blauw); color: #fff; }
.voet-raster { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding-top: 60px; padding-bottom: 40px; font-size: 16px; }
.voet-kop { color: #fff; font: 700 17px/1.3 var(--kop); text-transform: uppercase; letter-spacing: 1px; display: inline-block; margin-bottom: 26px; }
.voet-kop::after { content: ""; display: block; height: 2px; background: var(--geel); margin-top: 6px; }
.voet-lijst { list-style: none; margin: 0; padding: 0; }
.voet-lijst a, .voet a { text-decoration: none; }
.voet-lijst a:hover, .voet a:hover { color: var(--geel); }
.voet .contactlijst .ic { color: #fff; }
.copyright { background: var(--geel); color: #fff; font-size: 14px; text-align: center; padding: 18px 0; }
.copyright a:hover { color: var(--blauw); }

.naar-boven { position: fixed; right: 20px; bottom: 20px; width: 42px; height: 42px; background: var(--geel); color: #fff; display: grid; place-items: center;
  font-size: 22px; opacity: 0; visibility: hidden; transition: .25s; z-index: 40; }
.naar-boven.zichtbaar { opacity: 1; visibility: visible; }
.naar-boven:hover { background: var(--blauw); }

.cookie { position: fixed; left: 20px; bottom: 20px; max-width: 420px; background: var(--blauw); color: #fff; padding: 18px 20px; z-index: 50; font-size: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }
.cookie p { margin-bottom: 12px; }
.cookie-knoppen { display: flex; gap: 10px; }

/* Responsief */
@media (max-width: 1000px) {
  .menu-knop { display: block; }
  .kop-info { display: none; }
  .kop-rij { min-height: 76px; }
  .logo img { width: 200px; }
  .navbalk, .navlicht { position: absolute; left: 0; right: 0; top: 100%; display: none; background: var(--blauw); box-shadow: 0 12px 24px rgba(0, 0, 0, .2); }
  .navbalk.open, .navlicht.open { display: block; }
  .navbalk .wrap { padding: 0; }
  .menu { flex-direction: column; padding: 8px 0; }
  .navbalk .menu > li + li { border: 0; }
  .menu a, .sub-knop, .navlicht .menu > li > a, .navlicht .sub-knop, .navbalk .menu > li > a, .navbalk .sub-knop { color: #fff; padding: 14px 22px; width: 100%; }
  .navlicht .menu > li > a.actief, .navbalk .menu > li > a.actief { color: var(--geel); }
  .navlicht .menu > li > a.actief::before, .navlicht .menu > li > a.actief::after, .navbalk .menu > li > a.actief::before, .navbalk .menu > li > a:hover::before { display: none; }
  .sub { position: static; box-shadow: none; background: rgba(255, 255, 255, .05); opacity: 1; visibility: visible; transform: none; display: none; padding: 4px 0; }
  .heeft-sub.open .sub { display: block; }
  .sub a { color: #fff; padding-left: 36px; }
  .wie, .met-zij, .met-zij.rechts, .presenteert, .instrument { grid-template-columns: 1fr; }
  .met-zij .zij { order: 2; }
  .diensten { grid-template-columns: repeat(2, 1fr); }
  .voet-raster { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .blok { padding: 50px 0; }
  .cta-balk-rij { flex-direction: column; text-align: center; }
  .cta-balk p, .cta-box-tekst { font-size: 19px; }
  .cta-box { grid-template-columns: 1fr; }
  .cta-box-knop { clip-path: none; justify-content: center; padding: 16px; }
  .cta-box-tekst { padding: 20px; }
  .diensten, .voet-raster, .velden-drie, .merken { grid-template-columns: 1fr; }
  .paginatitel { padding: 50px 0 40px; }
  .paginatitel h1 { font-size: 26px; }
  .sectiekop { font-size: 20px; letter-spacing: 1.6px; }
  .presenteert { padding: 24px 20px; }
  .producten img { height: 130px; }
  .fotos.twee-klein { grid-template-columns: 1fr 1fr; }
  .cookie { left: 10px; right: 10px; bottom: 10px; max-width: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .dia { transition: none; } }