@use "sass:math";

$min-vw: 56rem;
$max-vw: 476rem; // 336rem, 616rem

@function strip-unit($value) {
  @return math.div($value, ($value * 0 + 1));
}

@mixin fluid-font-size($font-size) {
  $min-font-size: calc($font-size * 0.75);
  $max-font-size: calc($font-size * 2.5);

  $u1: unit($min-vw);
  $u2: unit($max-vw);
  $u3: unit($font-size);

  @if $u1 == $u2 and $u1 == $u3 {
    & {
      font-size: $min-font-size;

      @media screen and (min-width: $min-vw) {
        font-size: calc(#{$min-font-size} + #{strip-unit($max-font-size - $min-font-size)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
      }

      @media screen and (min-width: $max-vw) {
        font-size: $max-font-size;
      }
    }
  }
}

@mixin fluid-width-height($width, $height) {
  $min-width: calc($width * 0.75);
  $max-width: calc($width * 2.5);

  $min-height: calc($height * 0.75);
  $max-height: calc($height * 2.5);

  $u1: unit($min-vw);
  $u2: unit($max-vw);
  $u3: unit($width);
  $u4: unit($height);

  @if $u1 == $u2 and $u1 == $u3 and $u1 == $u4 {
    & {
      width: $min-width;
      height: $min-height;

      @media screen and (min-width: $min-vw) {
        width: calc(#{$min-width} + #{strip-unit($max-width - $min-width)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
        height: calc(#{$min-height} + #{strip-unit($max-height - $min-height)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
      }

      @media screen and (min-width: $max-vw) {
        width: $max-width;
        height: $max-height;
      }
    }
  }
}

@mixin fluid-width($width) {
  $min-width: calc($width * 0.75);
  $max-width: calc($width * 2.5);

  $u1: unit($min-vw);
  $u2: unit($max-vw);
  $u3: unit($width);

  @if $u1 == $u2 and $u1 == $u3 {
    & {
      width: $min-width;

      @media screen and (min-width: $min-vw) {
        width: calc(#{$min-width} + #{strip-unit($max-width - $min-width)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
      }

      @media screen and (min-width: $max-vw) {
        width: $max-width;
      }
    }
  }
}

@mixin fluid-height($height) {
  $min-height: calc($height * 0.75);
  $max-height: calc($height * 2.5);

  $u1: unit($min-vw);
  $u2: unit($max-vw);
  $u3: unit($height);

  @if $u1 == $u2 and $u1 == $u3 {
    & {
      height: $min-height;

      @media screen and (min-width: $min-vw) {
        height: calc(#{$min-height} + #{strip-unit($max-height - $min-height)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
      }

      @media screen and (min-width: $max-vw) {
        height: $max-height;
      }
    }
  }
}

@mixin fluid-max-width-height($width, $height) {
  $min-width: calc($width * 0.75);
  $max-width: calc($width * 2.5);

  $min-height: calc($height * 0.75);
  $max-height: calc($height * 2.5);

  $u1: unit($min-vw);
  $u2: unit($max-vw);
  $u3: unit($width);
  $u4: unit($height);

  @if $u1 == $u2 and $u1 == $u3 and $u1 == $u4 {
    & {
      max-width: $min-width;
      max-height: $min-height;

      @media screen and (min-width: $min-vw) {
        max-width: calc(#{$min-width} + #{strip-unit($max-width - $min-width)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
        max-height: calc(#{$min-height} + #{strip-unit($max-height - $min-height)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
      }

      @media screen and (min-width: $max-vw) {
        max-width: $max-width;
        max-height: $max-height;
      }
    }
  }
}

@mixin fluid-position-left($offset, $width) {
  $min-vw: 48rem;
  $max-vw: 96rem;

  $min-margin: 5em;
  $max-margin: 5em;

  & {
    margin-left: min(calc($offset + $min-margin), max($min-margin, calc(100vw - $width - $min-margin)));
    margin-right: $min-margin;

    @media screen and (min-width: $min-vw) {
      $margin: calc(#{$min-margin} + #{strip-unit($max-margin - $min-margin)} * ((100vw - #{$min-vw}) / #{strip-unit($max-vw - $min-vw)}));
      margin-left: min(calc($offset + $margin), max($margin, calc(100vw - $width - $margin)));
      margin-right: $margin;
    }

    @media screen and (min-width: $max-vw) {
      margin-left: min(calc($offset + $max-margin), max($max-margin, calc(100vw - $width - $max-margin)));
      margin-right: $max-margin;
    }
  }
}