/* Ren Stone – stylesheet
   Kleuren en typografie volgen het ontwerp van Peter (Design-artifact, 1440px).
   Pas kleuren alleen aan via de variabelen hieronder. */

:root {
  --groen: #304C3A;
  --inkt: #27282B;
  --zand: #F1EDEB;
  --wit: #FFFFFF;
  --lijn: #C9C3BC;
  --taupe: #A89787;
  --gutter: clamp(20px, 8.33vw, 120px);
  --max: 1440px;
  --sectie: clamp(64px, 8.33vw, 120px);
  --font: "Proxima Nova", "Nunito Sans", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--font); background: var(--zand); color: var(--inkt); font-size: 16px; line-height: 1.5; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--groen); }
a:hover { color: var(--inkt); }
:focus-visible { outline: 3px solid var(--taupe); outline-offset: 2px; }
h1, h2, h3 { margin: 0; }
p { margin: 0; }
section[id], [id] { scroll-margin-top: 104px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.skip { position: absolute; left: -9999px; top: 0; background: var(--groen); color: var(--wit); padding: 12px 16px; z-index: 100; }
.skip:focus { left: 16px; top: 16px; }

/* Labels boven koppen (opmaak, geen kop) */
.label { font-size: 14px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--groen); }
.label--licht { color: var(--wit); }
.label--grijs { color: var(--lijn); }

.h2 { font-size: clamp(32px, 3.1vw, 44px); line-height: 1.15; font-weight: 300; }
.intro { font-size: 18px; line-height: 1.6; }

/* Knoppen */
.knop { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; font-weight: 700; border-radius: 2px; min-height: 48px; padding: 14px 24px; font-size: 16px; border: 1px solid transparent; cursor: pointer; font-family: inherit; }
.knop--groen { background: var(--groen); color: var(--wit); }
.knop--groen:hover { background: var(--inkt); color: var(--wit); }
.knop--wit { background: var(--wit); color: var(--groen); }
.knop--wit:hover { background: var(--zand); color: var(--groen); }
.knop--rand { color: var(--wit); border-color: var(--wit); font-weight: 600; }
.knop--rand:hover { background: rgba(255,255,255,.1); color: var(--wit); }
.knop--groot { font-size: 17px; padding: 18px 32px; }

/* Kop / navigatie */
.kop { position: sticky; top: 0; z-index: 50; background: var(--zand); border-bottom: 1px solid var(--lijn); }
.kop__binnen { height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.kop__logo img { height: 52px; width: auto; }
.nav { display: flex; align-items: center; gap: 32px; font-size: 16px; font-weight: 600; }
.nav__links { display: flex; gap: 32px; }
.nav__links a { text-decoration: none; color: var(--inkt); }
.nav__links a:hover { color: var(--groen); text-decoration: underline; text-underline-offset: 6px; }
.taal { display: flex; border: 1px solid var(--taupe); border-radius: 2px; overflow: hidden; }
.taal a { min-width: 48px; height: 44px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; text-decoration: none; color: var(--inkt); }
.taal a[aria-current="true"] { background: var(--groen); color: var(--wit); }
.menu { display: none; }

@media (max-width: 1180px) {
  .nav__links { display: none; }
  .menu { display: block; position: relative; }
  .menu summary { list-style: none; cursor: pointer; height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 12px; border: 1px solid var(--taupe); border-radius: 2px; font-weight: 700; }
  .menu summary::-webkit-details-marker { display: none; }
  .menu[open] .menu__paneel { display: flex; }
  .menu__paneel { display: none; position: absolute; right: 0; top: 52px; flex-direction: column; background: var(--wit); border: 1px solid var(--lijn); min-width: 240px; box-shadow: 0 8px 24px rgba(39,40,43,.12); }
  .menu__paneel a { padding: 14px 20px; text-decoration: none; color: var(--inkt); border-top: 1px solid var(--zand); }
  .menu__paneel a:first-child { border-top: 0; }
}
@media (max-width: 720px) {
  .kop__binnen { height: 72px; gap: 12px; }
  .kop__logo img { height: 36px; }
  .nav { gap: 10px; }
  .nav .knop--kop { display: none; }
  section[id], [id] { scroll-margin-top: 80px; }
}

/* Hero */
.hero { background: var(--groen); color: var(--wit); }
.hero__binnen { display: grid; grid-template-columns: minmax(0, 600px) minmax(0, 1fr); max-width: var(--max); margin: 0 auto; padding-left: var(--gutter); min-height: 720px; }
.hero__tekst { display: flex; flex-direction: column; justify-content: center; gap: 32px; padding: 64px 64px 64px 0; }
.hero__label { display: flex; align-items: center; gap: 16px; }
.hero__label::before { content: ""; width: 40px; height: 2px; background: var(--taupe); }
.hero h1 { font-size: clamp(38px, 4.2vw, 60px); line-height: 1.08; font-weight: 300; letter-spacing: -.01em; }
.hero h1 strong { font-weight: 700; }
.hero__intro { font-size: 20px; line-height: 1.6; font-weight: 300; max-width: 500px; }
.hero__knoppen { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__foto { position: relative; background: var(--lijn); }
.hero__foto img { width: 100%; height: 100%; object-fit: cover; }
.bijschrift { position: absolute; left: 24px; bottom: 24px; background: var(--zand); color: var(--inkt); font-size: 14px; font-weight: 600; padding: 10px 14px; }
@media (max-width: 960px) {
  .hero__binnen { grid-template-columns: 1fr; padding-left: 0; min-height: 0; }
  .hero__tekst { padding: 56px var(--gutter); }
  .hero__foto { aspect-ratio: 4 / 3; }
  .hero__intro { font-size: 18px; }
}

/* Kernpunten */
.kern { background: var(--wit); border-bottom: 1px solid var(--lijn); }
.kern__raster { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 48px; padding-top: 48px; padding-bottom: 48px; }
.kern__titel { font-size: 32px; font-weight: 300; color: var(--groen); line-height: 1.2; }
.kern__raster p { margin-top: 8px; }
@media (max-width: 960px) { .kern__raster { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; } }
@media (max-width: 520px) { .kern__raster { grid-template-columns: 1fr; } .kern__titel { font-size: 28px; } }

/* Toepassingen */
.toepassingen { padding-top: clamp(64px, 7.8vw, 112px); display: grid; grid-template-columns: 8fr 4fr; gap: 48px; }
.kopblok { display: flex; flex-direction: column; gap: 20px; }
.toepassingen .intro { max-width: 640px; }
.lijst3 { margin: 36px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 40px; font-size: 18px; line-height: 1.4; }
.lijst3 li { padding: 16px 0; border-top: 1px solid var(--lijn); }
.lijst3 li:nth-last-child(-n+3) { border-bottom: 1px solid var(--lijn); }
.herstel { align-self: end; background: var(--groen); color: var(--wit); padding: 40px; display: flex; flex-direction: column; gap: 20px; }
.herstel h3 { font-size: 28px; line-height: 1.25; font-weight: 300; }
.streeplijst { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; font-size: 17px; line-height: 1.5; }
.streeplijst li { display: flex; gap: 14px; align-items: flex-start; }
.streeplijst li::before { content: ""; flex-shrink: 0; width: 20px; height: 2px; background: var(--taupe); margin-top: 12px; }
.tekstlink { align-self: flex-start; text-decoration: none; color: var(--wit); font-size: 16px; font-weight: 600; border-bottom: 1px solid var(--wit); padding: 12px 0 4px; }
.tekstlink:hover { color: var(--zand); }
@media (max-width: 1080px) { .toepassingen { grid-template-columns: 1fr; } .herstel { align-self: stretch; } }
@media (max-width: 720px) { .lijst3 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; font-size: 17px; } .lijst3 li:nth-last-child(-n+3) { border-bottom: 0; } .lijst3 li:nth-last-child(-n+2) { border-bottom: 1px solid var(--lijn); } }

/* Sectiekop met tekst rechts */
.sectiekop { display: flex; justify-content: space-between; align-items: flex-end; gap: 80px; }
.sectiekop .kopblok { max-width: 640px; }
.sectiekop .intro { max-width: 480px; }
@media (max-width: 960px) { .sectiekop { flex-direction: column; align-items: flex-start; gap: 24px; } }

/* Materialen */
.materialen { padding-top: var(--sectie); padding-bottom: clamp(64px, 7.8vw, 112px); display: flex; flex-direction: column; gap: 56px; }
.raster4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.materiaal { display: flex; flex-direction: column; gap: 16px; }
.materiaal h3 { font-size: 22px; font-weight: 600; }
.materiaal p { margin-top: -8px; }
.foto { height: 240px; background: var(--lijn); overflow: hidden; }
.foto img { width: 100%; height: 100%; object-fit: cover; }
/* Lege fotovlakken tot de eigen materiaalfoto's er zijn: zie README "Foto's die nog ontbreken". */
.foto--volgt { background: linear-gradient(135deg, #D6D0C9 0%, var(--lijn) 55%, #BDB6AE 100%); }
.vraagkaart { text-decoration: none; color: var(--wit); height: 240px; background: var(--groen); display: flex; flex-direction: column; justify-content: space-between; padding: 28px; }
.vraagkaart:hover { background: var(--inkt); color: var(--wit); }
.vraagkaart strong { font-size: 22px; font-weight: 600; line-height: 1.3; }
.vraagkaart span { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
@media (max-width: 1080px) { .raster4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .raster4 { gap: 16px; } .foto, .vraagkaart { height: 180px; } .materiaal h3 { font-size: 19px; } }

/* Italiaanse selectie */
.italie { border-top: 1px solid var(--lijn); }
.italie__binnen { padding-top: clamp(64px, 7.8vw, 112px); padding-bottom: var(--sectie); display: flex; flex-direction: column; gap: 56px; }
.raster3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.steenkaart { display: flex; flex-direction: column; gap: 18px; background: var(--wit); border: 1px solid var(--lijn); }
.steenkaart .foto { height: 320px; }
.steenkaart__tekst { display: flex; flex-direction: column; gap: 12px; padding: 4px 28px 32px; }
.steenkaart__soort { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--groen); }
.steenkaart h3 { font-size: 28px; font-weight: 600; }
.steenkaart__afwerking { font-size: 14px; line-height: 1.6; padding-top: 12px; border-top: 1px solid var(--lijn); }
.afwerkingen__kop { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; padding-top: 24px; }
.afwerkingen__kop h3 { font-size: 32px; line-height: 1.2; font-weight: 300; }
.afwerkingen { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: 24px; row-gap: 32px; margin: 0; padding: 0; list-style: none; }
.afwerkingen figure { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.afwerkingen img { width: 100%; height: 220px; object-fit: cover; }
.afwerkingen figcaption { display: flex; justify-content: space-between; gap: 8px; font-size: 16px; }
.afwerkingen figcaption strong { font-weight: 600; }
@media (max-width: 1080px) { .raster3 { grid-template-columns: 1fr; } .steenkaart { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 0; } .steenkaart .foto { height: 100%; min-height: 260px; } .steenkaart__tekst { padding: 28px; } .afwerkingen { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) { .steenkaart { display: flex; } .steenkaart .foto { height: 240px; min-height: 0; } .afwerkingen__kop { flex-direction: column; align-items: flex-start; gap: 20px; } .afwerkingen__kop h3 { font-size: 26px; } .afwerkingen img { height: 160px; } }

/* Herkomst */
.herkomst { background: var(--wit); }
.herkomst__binnen { padding-top: var(--sectie); padding-bottom: var(--sectie); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(40px, 6.7vw, 96px); }
.herkomst__foto { position: relative; height: 560px; background: var(--lijn); }
.herkomst__foto img { width: 100%; height: 100%; object-fit: cover; }
.herkomst__tekst { display: flex; flex-direction: column; justify-content: center; gap: 28px; }
.herkomst__tekst .intro { line-height: 1.65; }
.punten { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 20px; font-size: 17px; line-height: 1.6; }
.punten li { display: flex; gap: 20px; align-items: flex-start; }
.punten li::before { content: ""; flex-shrink: 0; width: 32px; height: 2px; background: var(--groen); margin-top: 13px; }
.punten strong { font-weight: 700; }
@media (max-width: 960px) { .herkomst__binnen { grid-template-columns: 1fr; } .herkomst__foto { height: 380px; } }

/* Werkwijze */
.werkwijze { padding-top: var(--sectie); padding-bottom: var(--sectie); display: flex; flex-direction: column; gap: 64px; }
.werkwijze .kopblok { max-width: 720px; }
.stappen { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 48px; row-gap: 56px; }
.stappen li { display: flex; flex-direction: column; gap: 16px; border-top: 2px solid var(--groen); padding-top: 28px; }
.stap__nr { font-size: 44px; font-weight: 300; color: var(--groen); line-height: 1.1; }
.stappen h3 { font-size: 22px; font-weight: 600; }
.stappen p { line-height: 1.6; }
@media (max-width: 1080px) { .stappen { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .stappen { grid-template-columns: 1fr; row-gap: 40px; } .stap__nr { font-size: 36px; } }

/* Partner */
.partner { background: var(--inkt); color: var(--wit); padding: 72px 80px; display: flex; align-items: center; justify-content: space-between; gap: 80px; }
.partner .kopblok { max-width: 720px; }
.partner h2 { font-size: clamp(28px, 2.7vw, 38px); line-height: 1.2; font-weight: 300; }
.partner p { font-size: 18px; line-height: 1.6; color: var(--zand); }
.partner .knop { flex-shrink: 0; background: var(--wit); color: var(--inkt); }
.partner .knop:hover { background: var(--zand); }
@media (max-width: 960px) { .partner { flex-direction: column; align-items: flex-start; gap: 32px; padding: 48px 32px; } }
@media (max-width: 520px) { .partner-wrap { padding-left: 0; padding-right: 0; } .partner { padding: 48px var(--gutter); } }

/* Offerte */
.offerte { padding-top: var(--sectie); padding-bottom: var(--sectie); display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6.7vw, 96px); }
.offerte__info { display: flex; flex-direction: column; gap: 28px; }
.offerte__info .intro { line-height: 1.65; }
.contactlijst { display: flex; flex-direction: column; gap: 14px; font-size: 17px; padding-top: 28px; border-top: 1px solid var(--lijn); }
.contactlijst a { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--inkt); }
.contactlijst a:hover { color: var(--groen); text-decoration: underline; }
.formulier { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; background: var(--wit); padding: 48px; border: 1px solid var(--lijn); align-self: start; }
.veld { display: flex; flex-direction: column; gap: 8px; font-size: 15px; font-weight: 600; }
.veld--breed, .formulier fieldset, .formulier__voet, .melding { grid-column: 1 / -1; }
.veld input, .veld select, .veld textarea { min-width: 0; width: 100%; font-family: inherit; font-size: 16px; font-weight: 400; color: var(--inkt); background: var(--wit); border: 1px solid var(--taupe); border-radius: 2px; }
.veld input, .veld select { height: 52px; padding: 0 16px; }
.veld select { padding: 0 12px; }
.veld textarea { padding: 14px 16px; line-height: 1.5; resize: vertical; min-height: 140px; }
.veld input[type="file"] { height: auto; padding: 14px 16px; font-size: 15px; border-style: dashed; background: var(--zand); }
.veld__hint { font-size: 13px; font-weight: 400; }
.verplicht { color: var(--groen); }
.formulier fieldset { margin: 0; padding: 0; border: 0; }
.formulier legend { padding: 0 0 12px; font-size: 15px; font-weight: 600; }
.vinkjes { display: flex; flex-wrap: wrap; gap: 4px 28px; font-size: 16px; }
.vinkjes label { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.vinkjes input { width: 20px; height: 20px; accent-color: var(--groen); }
.formulier__voet { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 8px; }
.formulier__voet small { font-size: 14px; line-height: 1.5; max-width: 360px; }
.formulier button { height: 56px; padding: 0 36px; font-size: 17px; white-space: nowrap; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.melding { padding: 16px 20px; border-left: 4px solid #9B2C2C; background: #FBEDED; font-size: 16px; }
.melding[hidden] { display: none; }
@media (max-width: 1080px) { .offerte { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 600px) { .formulier { grid-template-columns: minmax(0, 1fr); padding: 28px 20px; } .formulier__voet { flex-direction: column; align-items: stretch; } .formulier button { width: 100%; } }

/* Voettekst */
.voet { background: var(--groen); color: var(--wit); }
.voet__binnen { padding-top: 88px; padding-bottom: 48px; display: flex; flex-direction: column; gap: 64px; }
.voet__raster { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 56px; font-size: 16px; line-height: 1.6; }
.voet__raster img { height: 64px; width: auto; }
.voet__kolom { display: flex; flex-direction: column; gap: 10px; }
.voet__kop { font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--lijn); }
.voet address { font-style: normal; }
.voet a { color: var(--wit); text-decoration: none; }
.voet a:hover { text-decoration: underline; }
.voet__zacht { color: var(--zand); }
.voet__onder { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 28px; border-top: 1px solid var(--taupe); font-size: 14px; color: var(--zand); }
@media (max-width: 1080px) { .voet__raster { grid-template-columns: repeat(3, minmax(0, 1fr)); } .voet__logo { grid-column: 1 / -1; } }
@media (max-width: 640px) { .voet__raster { grid-template-columns: 1fr; gap: 32px; } .voet__binnen { padding-top: 56px; gap: 40px; } .voet__raster img { height: 48px; } }

/* Eenvoudige tekstpagina's (privacy, bedankt) */
.tekstpagina { padding-top: var(--sectie); padding-bottom: var(--sectie); max-width: 860px; }
.tekstpagina h1 { font-size: clamp(32px, 3.1vw, 44px); line-height: 1.15; font-weight: 300; margin-bottom: 28px; }
.tekstpagina h2 { font-size: 24px; font-weight: 600; margin: 40px 0 12px; }
.tekstpagina p, .tekstpagina li { font-size: 17px; line-height: 1.7; }
.tekstpagina p + p { margin-top: 12px; }
.tekstpagina ul { padding-left: 20px; }
.tekstpagina .knop { margin-top: 32px; }
