#let kb-red    = rgb("#880000")
#let kb-red-lt = rgb("#aa2222")
#let kb-white  = rgb("#ffffff")
#let kb-dark   = rgb("#1a1a1a")
#let kb-mid    = rgb("#555555")
#let kb-light  = rgb("#f5f0f0")
#let kb-border = rgb("#ddcccc")

#let font-heading = "Futura Now Headline"
#let font-body    = "Libertinus Serif"

// ── Page setup ────────────────────────────────────────────────
#set page(
  paper:  "a4",
  margin: (top: 2.8cm, bottom: 2.8cm, left: 2.4cm, right: 2.4cm),
  header: context {
    if counter(page).get().first() > 1 {
      grid(
        columns: (1fr, auto),
        align:   (left + horizon, right + horizon),
        text(font: font-heading, size: 7pt, fill: kb-mid, tracking: 1pt)[
          KLINGENBERG BYGG
        ],
        text(font: font-body, size: 8pt, fill: kb-mid)[
          #counter(page).display()
        ]
      )
      line(length: 100%, stroke: 0.4pt + kb-border)
    }
  },
  footer: context {
    if counter(page).get().first() > 1 {
      line(length: 100%, stroke: 0.4pt + kb-border)
      v(3pt)
      text(font: font-body, size: 7.5pt, fill: kb-mid)[
        Klingenberg Bygg · Hobølveien 6, 1825 Tomter · Org.nr. 976 015 711
      ]
    }
  }
)

// ── Typography ────────────────────────────────────────────────
#set text(
  font:   font-body,
  size:   10.5pt,
  fill:   kb-dark,
  lang:   "nb",
)

#set par(
  leading:   0.75em,
  spacing:   1.1em,
  justify:   true,
)

#show heading.where(level: 1): it => {
  v(1.6em)
  text(font: font-heading, size: 20pt, fill: kb-red, it.body)
  v(0.4em)
  line(length: 100%, stroke: 1.2pt + kb-red)
  v(0.6em)
}

#show heading.where(level: 2): it => {
  v(1.2em)
  text(font: font-heading, size: 14pt, fill: kb-dark, it.body)
  v(0.3em)
  line(length: 100%, stroke: 0.4pt + kb-border)
  v(0.4em)
}

#show heading.where(level: 3): it => {
  v(0.9em)
  text(font: font-heading, size: 11pt, fill: kb-red-lt, it.body)
  v(0.2em)
}

#show heading.where(level: 4): it => {
  v(0.6em)
  text(font: font-heading, size: 10pt, fill: kb-mid, upper(it.body))
  v(0.1em)
}

#show link: it => text(fill: kb-red-lt, it)

#show quote: it => {
  pad(left: 1.2em,
    rect(
      width:  100%,
      inset:  (left: 1em, top: 0.6em, bottom: 0.6em, right: 0.6em),
      stroke: (left: 3pt + kb-red),
      fill:   kb-light,
      text(style: "italic", fill: kb-mid, it.body)
    )
  )
}

#show raw.where(block: true): it => {
  rect(
    width:  100%,
    inset:  0.9em,
    radius: 4pt,
    fill:   kb-light,
    stroke: 0.5pt + kb-border,
    text(font: "FreeMono", size: 8.5pt, fill: kb-dark, it)
  )
}

#show raw.where(block: false): it => {
  box(
    inset:  (x: 3pt, y: 1.5pt),
    radius: 3pt,
    fill:   kb-light,
    stroke: 0.4pt + kb-border,
    text(font: "FreeMono", size: 8pt, it)
  )
}

#show table.cell.where(y: 0): set text(fill: kb-white, font: font-heading, size: 9pt)

// ── Cover page ────────────────────────────────────────────────
#let cover-page(
  tittel:    "",
  undertittel: "",
  dato:     "",
  av:   "",
  kunde:    "",
  adresse:  "",
  bilde:    "",
) = {
  set page(header: none, footer: none, margin: 2cm)

  // Logo and Company name (vertically aligned in red band)
  stack(spacing: 1em,
    rect(width: 100%, height: 3cm, fill: kb-red, radius: 0.3cm,
      align(left + horizon,
        grid(
          columns: (3cm, auto),
          gutter: .5cm,
          image("icon.svg", width: 3cm, height: auto),
          align(left + horizon,
            stack(spacing: 0.8em,
              text(font: font-heading, size: 28pt, fill: kb-white, tracking: 2pt)[KLINGENBERG BYGG],
              text(font: font-body,    size: 10pt, fill: rgb("#ffcccc"))[Hobølveien 6, 1825 Tomter],
            )
          )
        )
      )
    ),
    v(1.5cm),
    text(font: font-heading, size: 26pt, fill: kb-red, tittel),
    if undertittel != "" {
      text(font: font-body, size: 13pt, fill: kb-mid, undertittel)
    },
    line(length: 100%, stroke: 1.5pt + kb-red),
    grid(
      columns: (1fr, 1fr),
      gutter:  1.2em,
      stack(spacing: 0.6em,
        if kunde != "" {
          stack(spacing: 0.15em,
            text(font: font-heading, size: 7pt, fill: kb-mid, tracking: 1pt)[KUNDE],
            text(font: font-body,    size: 10pt, fill: kb-dark, kunde),
          )
        },
        if adresse != "" {
          stack(spacing: 0.15em,
            text(font: font-heading, size: 7pt, fill: kb-mid, tracking: 1pt)[ADRESSE],
            text(font: font-body,    size: 10pt, fill: kb-dark, adresse),
          )
        },
      ),
      stack(spacing: 0.6em,
        if av != "" {
          stack(spacing: 0.15em,
            text(font: font-heading, size: 7pt, fill: kb-mid, tracking: 1pt)[UTARBEIDET AV],
            text(font: font-body,    size: 10pt, fill: kb-dark, av),
          )
        },
        if dato != "" {
          stack(spacing: 0.15em,
            text(font: font-heading, size: 7pt, fill: kb-mid, tracking: 1pt)[DATO],
            text(font: font-body,    size: 10pt, fill: kb-dark, dato),
          )
        },
      ),
    ),
    v(1.5cm),
    if bilde != "" {
      image(bilde, width: 100%, height: 16cm, fit: "cover")
    }
    
  )

  pagebreak()
}

// ── Render cover ──────────────────────────────────────────────
$if(tittel)$
  #cover-page(
    tittel:    "$tittel$",
    undertittel: "$if(undertittel)$$undertittel$$endif$",
    dato:     "$if(dato)$$dato$$endif$",
    av:       "$if(av)$$av$$endif$",
    kunde:    "$if(kunde)$$kunde$$endif$",
    adresse:  "$if(adresse)$$adresse$$endif$",
    bilde:    "$if(bilde)$$bilde$$endif$",
  )
$endif$


// ── Body ──────────────────────────────────────────────────────
$body$