// 
// text settings
// 
$font-family: 'Roboto', sans-serif !default;
$code-font-family: "Noto Sans", sans-serif !default;

$font-size: 17px !default;
$small-font-size: $font-size * 0.875 !default;

$font-weight: 300 !default;
$font-spacing: 30px !default;
$line-height: 2.5 !default;

//
// Table
//
$table-text-align: left !default;

//
// Site banner
//
$site-banner-title-fnt-sze: 50px;
$site-banner-description-fnt-sze: 18px;
$site-banner-picture-sze_wdth: 60%;

//
// Transitions
//
$transition-btn: all 0.2s ease-in-out;
$transition-links: all 0.3s ease-in-out;
$tansitions-page-bar: all 0.3s ease-in-out;

//
// Animations
//
$animation-site-pic: 2s; //animations for banner-pic
$animation-main: 1s; //animations for banner description and the body of the site.
$animation-left: 250ms;

// 
// Content
// 
$content-width: 800px !default;


$mobile-width: 710px !default;
$pc-width: 800px !default;
$medium-width: 442px !default;

//                                     //
// ---------- site queries ---------- //
//                                   //

@mixin media-query($device) {
  @media screen and (max-width: $device) {
    @content;
  }
}

@mixin animation-fade-in($speed) {
  opacity: 0;
  animation: fade-in 1s linear forwards;
  animation-delay: #{$speed}s;
  -webkit-animation-delay: #{$speed}s;
}

@mixin relative-font-size($ratio) {
  font-size: #{$ratio}rem;
}

//                                 //
//---------- scss mixin --------- //
//                               //

@mixin text-muted {
  color: $text-mute-color;
}

@mixin text-unmuted {
  color: $text-color;
}

@mixin footer-wrapper {
  margin-bottom: $font-spacing / 2;
  width: calc(18% - (#{$font-spacing} / 2));
  padding: 0 ($font-spacing / 2);

  &:first-child {
    padding-right: $font-spacing / 2;
    padding-left: 0;
  }

  &:last-child {
    padding-right: 0;
    padding-left: $font-spacing / 2;
  }
}

@mixin prompt($gf-icon, $gf-color, $bg-color, $fnt-fam) {
  border-radius: 5px;
  padding: 0.8rem 1.2rem;
  font-style: normal;
  color: $text-color;
  font-weight: 400;
  border-left: 6px solid $gf-color;
  background-color: $bg-color;
  font-size: 0.975rem;

  &::before {
    content: $gf-icon;
    font-family: $fnt-fam;
    color: $gf-color;
    font-size: 34px;
    line-height: 1;
    padding-right: 10px;
    padding-bottom: 13px;
  }
}

@mixin horizontal-scroll {
  &::-webkit-scrollbar {
    height: 16px;
  }

  &::-webkit-scrollbar-track {
    background-color: transparent;
  }

  &::-webkit-scrollbar-thumb {
    background: rgba(128, 134, 139, 0.2);
    background-clip: padding-box;
    border: 4px solid transparent;
    border-radius: 10px;
    box-sizing: border-box;

    &:hover {
      background: rgba(128, 134, 139, 0.4);
      box-sizing: border-box;
      background-clip: padding-box;
    }
  }
}

//                                 //
//---------- Animations --------- //
//                               //

@keyframes left-animation {
  from {
    opacity: 0;
    transform: translate3d(100%, 0, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes BTT-Entrance {
  from {
    opacity: 0;
    transform: translate3d(0, 100%, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes BTT-Exit {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
    transform: translate3d(0, 100%, 0);
  }
}

@keyframes slide {
  100% {
    transform: translateX(0);
  }
}

@keyframes slide-up {
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  100% {
    opacity: 1;
  }
}