//custom mixins
@mixin border-radius($radius) {
  -webkit-border-radius: $radius;
  -moz-border-radius: $radius;
  border-radius: $radius;
}
@mixin opacity($opacity) {
  -webkit-opacity: $opacity;
  -moz-opacity: $opacity;
  opacity: $opacity;
}
@mixin animation($animation) {
  -webkit-animation: $animation;
  -moz-animation: $animation;
  animation: $animation;
}
@mixin box-shadow($box-shadow) {
  -webkit-box-shadow: $box-shadow;
  -moz-box-shadow: $box-shadow;
  box-shadow: $box-shadow;
}
@mixin box-sizing($boxSizing) {
  -webkit-box-sizing: $boxSizing;
  -moz-box-sizing: $boxSizing;
  box-sizing: $boxSizing;
}
@mixin transform($transform) {
  -webkit-transform: $transform;
  -moz-transform: $transform;
  transform: $transform;
}
@mixin keyframes($name, $name1) {
  @-webkit-keyframes #{$name} {
    @content;
  }
  @-moz-keyframes #{$name} {
    @content;
  }
  @-ms-keyframes #{$name} {
    @content;
  }
  @keyframes #{$name} {
    @content;
  }
}

//colors settings
$body-primary: #fa7775;
$body-secondary: #c6edff;
$base: #4b1a61;
$love: #fe1239;
$bg: #ffffff;
//Let's start
* {
  margin: 0;
  padding: 0;
  @include box-sizing(border-box);
}

body {
  background-color: $bg;
  text-align: center;
  overflow: hidden;
}

.stage {
  $container-width: 800px;
  position: relative;
  min-height: 80vh;
  width: $container-width;
  margin: auto;
}

//ground base
.ground-line {
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  overflow: hidden;
  height: 6px;
  div {
    width: 1600px;
    font-size: 0;
    @include animation(roadLine 3s infinite linear);
  }
  span {
    height: 6px;
    display: inline-block;
    background-color: $base;
    @include border-radius(6px);
    vertical-align: bottom;
    margin-right: 20px;
  }
  .line1 {
    width: 80px;
  }
  .line2 {
    width: 580px;
  }
  .line3 {
    width: 80px;
  }
}

//tree
.tree-wrap {
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  overflow: hidden;
}
.tree {
  position: absolute;
  right: 0;
  margin-left: -30px;
  bottom: 6px;
  z-index: 8;
  @include animation(tree 6.2s infinite linear);
  .stem {
    width: 6px;
    @include border-radius(6px 6px 0 0);
    height: 100px;
    background-color: lighten($base, 5%);
    .branch {
      width: 4px;
      @include border-radius(4px);
      background-color: lighten($base, 5%);
      position: absolute;
      z-index: 10;
    }
    .branch1 {
      bottom: 25px;
      height: 30px;
      left: 10px;
      @include transform(rotate(45deg));
    }
    .branch2 {
      bottom: 40px;
      height: 20px;
      right: 8px;
      @include transform(rotate(-45deg));
    }
    .branch3 {
      bottom: 60px;
      height: 15px;
      left: 5px;
      @include transform(rotate(45deg));
    }
  }
  .leef {
    z-index: -1;
    @include border-radius(50%);
    position: absolute;
    background-color: #abec39;
    border: solid 4px lighten($base, 5%);
  }
  .leef1 {
    width: 48px;
    height: 48px;
    top: -15px;
    left: -22px;
  }
  .leef2 {
    width: 68px;
    height: 68px;
    top: 18px;
    left: -32px;
    &::after {
      content: "";
      width: 50%;
      height: 50%;
      position: absolute;
      background-color: #abec39;
      z-index: 9;
      left: 25%;
      @include border-radius(50%);
      top: -18px;
    }
  }
}

.vehicle-body {
  width: 500px;
  height: 220px;
  position: absolute;
  right: 20%;
  bottom: 33px;
  z-index: 9;
  //opacity: 0.8;
  @include border-radius(15px 60px 0 15px);
  .wrap-body {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    @include animation(body 3s infinite ease);
  }
  .body-cover {
    position: absolute;
    border: solid 5px $base;
    width: 100%;
    background-color: $body-secondary;
    height: 100%;
    left: 0;
    top: 0;
    overflow: hidden;
    @include border-radius(15px 60px 0 15px);
  }
}

.top-roof {
  position: absolute;
  left: 0;
  top: 0;
  background-color: #ffe400;
  border-bottom: solid 4px $base;
  width: 100%;
  height: 14px;
}
.rooftop {
  background-color: $body-primary;
  border: solid 4px $base;
  border-bottom: none;
  bottom: 100%;
  overflow: hidden;
  position: absolute;
  &::after {
    content: "";
    position: absolute;
    left: 0px;
    bottom: 0px;
    width: 100%;
    background-color: darken($body-primary, 4%);
    height: 50%;
  }
  &.back {
    width: 60px;
    left: 20%;
    height: 15px;
    @include border-radius(4px 4px 0 0);
  }
  &.front {
    width: 80px;
    left: 40%;
    height: 25px;
    @include border-radius(4px 20px 0 0);
  }
}

.side-guard {
  background-color: $body-primary;
  border-top: solid 4px $base;
  bottom: 4px;
  position: absolute;
  left: 4px;
  width: calc(100% - 8px);
  height: 50px;
  @include border-radius(0 0 0 10px);
  .shade {
    position: absolute;
    left: 0px;
    @include border-radius(0 0 0 15px);
    bottom: 0px;
    width: 100%;
    background-color: darken($body-primary, 4%);
    height: 40%;
  }
  .bumper {
    position: absolute;
    border: solid 4px $base;
    height: 18px;
    position: absolute;
    background-color: #a6a6a6;
    @include border-radius(4px);
    &.front {
      right: -12px;
      width: 22px;
      height: 22px;
      bottom: -10px;
    }
    &.back {
      width: 29px;
      top: 11px;
      @include box-shadow(0 3px 0 rgba(black, 0.15));
      left: -15px;
    }
  }
  .front-indicator {
    width: 26px;
    height: 11px;
    @include box-shadow(0 3px 0 darken($body-primary, 4%));
    position: absolute;
    border: solid 3px $base;
    right: 10px;
    background-color: #ffe400;
    top: 5px;
  }
}

.indi {
  width: 24px;
  height: 10px;
  @include box-shadow(0 3px 0 darken($body-secondary, 6%));
  position: absolute;
  border: solid 3px $base;
  left: 10px;
  background-color: #ffa700;
  &.back-top-indicator {
    top: 24px;
  }
  &.back-bottom-indicator {
    bottom: 60px;
  }
}

.back-window {
  height: 53%;
  top: 14%;
  left: 50px;
  width: 190px;
  position: absolute;
  .window-base {
    width: 100%;
    height: 12px;
    background-color: #abec39;
    @include border-radius(10px);
    border: solid 3px $base;
    @include box-shadow(0 3px 0 rgba(black, 0.15));
    position: relative;
    z-index: 1;
    &.top {
      top: 0;
    }
    &.bottom {
      bottom: 0;
      position: absolute;
      left: 0;
    }
  }
  .sun-shade {
    background-color: $body-primary;
    border: solid 4px $base;
    border-top: none;
    width: 90%;
    margin-left: 4.5%;
    height: 23px;
    position: relative;
    z-index: 0;
  }
  .curtain {
    position: relative;
    width: 90%;
    margin-left: 5%;
    font-size: 0;
    z-index: 2;
    span {
      width: calc(100% / 8);
      height: 15px;
      @include border-radius(0 0 15px 15px);
      display: inline-block;
      background-color: $body-primary;
      border: solid 4px $base;
      border-top: none;
      @include box-shadow(0 3px 0 rgba(black, 0.15));
      margin-left: -4px;
      @include animation(curtain 0.5s infinite linear);
      &:nth-child(even) {
        background-color: #fff;
      }
      + span {
        width: calc((100% / 8) + 2px);
      }
    }
  }
  .windows-glass-wrap {
    background-color: #f5f4f1;
    border-left: solid 4px $base;
    height: 60px;
    width: 80%;
    margin-left: 9%;
    margin-top: -10px;
    border-right: solid 4px $base;
    padding: 2px 5px;
    font-size: 0;
    .glass {
      background-color: darken($body-secondary, 15%);
      overflow: hidden;
      border: solid 3px $base;
      @include border-radius(6px);
      width: 46%;
      height: 100%;
      margin-top: -3px;
      display: inline-block;
      position: relative;
      z-index: 0;
      &::after {
        $dark-s-body: darken($body-secondary, 25%);
        content: "";
        position: absolute;
        background-color: rgba($dark-s-body, 0.5);
        width: 100%;
        @include border-radius(0 0 10px 10px);
        height: 60%;
        top: 0;
        left: 0;
      }
      + .glass {
        margin-left: 4%;
      }
    }
    .light {
      width: 130%;
      height: 100%;
      position: absolute;
      top: -7px;
      left: -45%;
      @include opacity(0.5);
      z-index: 0;
      @include transform(rotate(115deg));
      @include animation(glare 2s infinite linear);
      span {
        width: 100%;
        display: block;
        margin-bottom: 2px;
        background-color: #fff;
      }
      .light1 {
        height: 10px;
      }
      .light2 {
        height: 3px;
      }
      .light3 {
        height: 6px;
      }
    }
  }
}

.main-door {
  position: absolute;
  right: 120px;
  bottom: 0;
  border: solid 4px $base;
  @include border-radius(10px 10px 0 0);
  width: 80px;
  height: 80%;
  z-index: 9;
  background-color: #f5f4f1;
  &::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 11%;
    background-color: darken(#f5f4f1, 5%);
  }
  .glass {
    background-color: darken($body-secondary, 20%);
    border: solid 3px $base;
    @include border-radius(10px);
    width: 85%;
    height: 60px;
    margin-top: 5px;
    display: inline-block;
    overflow: hidden;
    position: relative;
    z-index: 0;
    &::after {
      content: "";
      position: absolute;
      background-color: rgba(white, 0.3);
      width: 100%;
      @include border-radius(12px 12px 10px 10px);
      height: 60%;
      bottom: 0;
      left: 0;
    }
    .light {
      width: 100%;
      height: 100%;
      position: absolute;
      top: 0;
      left: 0;
      @include opacity(0.5);
      z-index: 0;
      span {
        height: 70%;
        margin-top: 15%;
        display: inline-block;
        background-color: darken($body-secondary, 35%);
      }
      .light1 {
        width: 15px;
        @include border-radius(10px 0 0 10px);
      }
      .light2 {
        width: 10px;
        @include border-radius(0 10px 10px 0);
      }
    }
  }
  .door-handle {
    background-color: $body-primary;
    border: solid 0.2em $base;
    width: 10px;
    margin-left: 4.5%;
    height: 22px;
    position: absolute;
    z-index: 0;
    right: 5px;
    bottom: 40%;
    @include border-radius(20px);
    &::before {
      content: "";
      position: absolute;
      width: 50%;
      @include border-radius(20px);
      background-color: rgba(#fff, 0.3);
      height: 100%;
      display: block;
    }
  }
}

.front-window {
  top: 14%;
  right: 20px;
  width: 70px;
  height: 60%;
  position: absolute;
  .window-base {
    width: 100%;
    height: 10px;
    background-color: #abec39;
    @include border-radius(10px);
    border: solid 3px $base;
    @include box-shadow(0 3px 0 rgba(black, 0.15));
    position: relative;
    z-index: 1;
    top: 0;
  }
  .sun-shade {
    background-color: $body-primary;
    border: solid 4px $base;
    border-top: none;
    width: 90%;
    margin-left: 4.5%;
    height: 23px;
    position: relative;
    z-index: 0;
  }
  .curtain {
    position: relative;
    width: 90%;
    margin-left: 6%;
    font-size: 0;
    z-index: 2;
    span {
      width: calc(100% / 3);
      height: 15px;
      @include border-radius(0 0 15px 15px);
      display: inline-block;
      background-color: $body-primary;
      border: solid 4px $base;
      border-top: none;
      @include box-shadow(0 3px 0 rgba(black, 0.15));
      margin-left: -4px;
      &:nth-child(even) {
        background-color: #fff;
      }
      + span {
        width: calc((100% / 3) + 2px);
      }
    }
  }
  .windows-glass-wrap {
    height: 40px;
    width: 80%;
    margin-left: 9%;
    margin-top: -10px;
    border: solid 4px $base;
    border-top: none;
    background-color: darken($body-secondary, 15%);
    @include border-radius(0 0 10px 10px);
    padding: 2px 5px;
    font-size: 0;
    overflow: hidden;
    position: relative;
    .light {
      width: 120%;
      height: 100%;
      position: absolute;
      top: -7px;
      left: -15%;
      @include opacity(0.4);
      z-index: 0;
      @include transform(rotate(115deg));
      @include animation(glare 1.5s infinite linear);
      span {
        width: 100%;
        display: block;
        margin-bottom: 2px;
        background-color: #fff;
      }
      .light1 {
        height: 10px;
      }
      .light2 {
        height: 3px;
      }
      .light3 {
        height: 6px;
      }
    }
  }
  .air-hole {
    position: absolute;
    width: 100%;
    bottom: 5px;
    padding-top: 5px;
    span {
      width: 30px;
      height: 5px;
      background-color: #f5f4f1;
      display: block;
      margin: auto;
      @include border-radius(20px);
      border: solid 0.15em $base;
      + span {
        margin-top: 1px;
      }
    }
  }
}
.wheel-wrap {
  $wheel-size: 80px;
  width: $wheel-size;
  height: $wheel-size;
  position: absolute;
  z-index: 9;
  bottom: -($wheel-size/2);
  .wheel-shadow {
    width: 100%;
    height: 100%;
    display: block;
    border-top: solid ($wheel-size/2) $base;
    @include border-radius(50%);
    position: relative;
    @include animation(wheelShadow 3s infinite ease);
  }
  &.back {
    left: 80px;
  }
  &.front {
    right: 70px;
  }
  .wheel {
    width: 76%;
    height: 76%;
    left: 12%;
    top: 12%;
    position: absolute;
    text-align: center;
    font-size: 0;
    @include border-radius(50%);
    &::after {
      content: "";
      top: 1px;
      left: 2px;
      height: 100%;
      position: absolute;
      width: calc(100% - 4px);
      @include box-shadow(inset 0 7px 0 #747474);
      @include border-radius(50%);
      z-index: 9;
    }
    .wheel-outer {
      position: absolute;
      width: 100%;
      background-color: #a6a6a6;
      border: solid 3px $base;
      @include border-radius(50%);
      top: 0;
      left: 0;
      height: 100%;
      @include animation(wheel 0.4s infinite linear);
    }
    .wheel-outer::after {
      content: "";
      position: absolute;
      width: 10px;
      height: 5px;
      background-color: #b8b8b8;
      top: 5px;
      left: 16px;
      z-index: 8;
      @include border-radius(50%);
    }
    .wheel-cup {
      width: 60%;
      height: 60%;
      margin-top: 20%;
      display: inline-block;
      position: relative;
      background-color: darken($body-secondary, 20%);
      border: solid 3px darken($base, 5%);
      @include border-radius(50%);
      @include transform(rotate(45deg));
      padding: 5px 4px;
      &::after {
        content: "";
        width: 8px;
        position: absolute;
        left: 41%;
        top: 40%;
        height: 3px;
        background-color: darken($body-secondary, 40%);
        display: inline-block;
      }
      span {
        display: inline-block;
        width: 6px;
        height: 6px;
        margin: 1px;
        background-color: #a6a6a6;
        @include border-radius(50%);
        border: solid 1px darken($base, 5%);
      }
    }
  }
}
.love-wrap {
  position: absolute;
  left: 0;
  margin-top: 0;
  top: 0;
  .love {
    width: 34px;
    height: 34px;
    position: relative;
    display: inline-block;
    font-size: 0;
    @include transform(rotate(30deg));
    .circle {
      background-color: #fe1239;
      width: 24px;
      height: 24px;
      position: absolute;
      @include border-radius(50%);
      display: inline-block;
    }
    .circle1 {
      left: 0;
      bottom: 0;
    }
    .circle2 {
      right: 0;
      top: 0;
    }
    .square {
      background-color: #fe1239;
      width: 24px;
      height: 24px;
      position: absolute;
      display: inline-block;
      right: 0;
      bottom: 0;
    }
  }
}

.love-front {
  position: absolute;
  right: 24%;
  bottom: 30%;
  z-index: 8;
  @include transform(rotate(50deg));
  .love-wrap {
    @include opacity(0);
    @for $i from 1 through 4 {
      &:nth-child(#{$i}) {
        @include animation(love1 5s infinite ease-in #{$i * 0.5}s);
      }
    }
    @for $i from 5 through 8 {
      &:nth-child(#{$i}) {
        @include animation(love2 6s infinite ease-in #{$i * 0.5}s);
      }
    }
    @for $i from 9 through 12 {
      &:nth-child(#{$i}) {
        @include animation(love3 4s infinite ease-in #{$i * 0.5}s);
      }
    }
  }
}

.love-back {
  position: absolute;
  left: 18%;
  bottom: 20%;
  z-index: 5;
  @include transform(rotate(-90deg));
  .love {
    @include transform(rotate(100deg));
  }
  .love-wrap {
    right: 0;
    @for $i from 1 through 4 {
      &:nth-child(#{$i}) {
        @include animation(love4 4s infinite ease-in #{$i * 0.5}s);
      }
    }
    &:nth-child(1) {
      @include animation(love4 4s infinite ease-in 0s);
    }
    @for $i from 5 through 8 {
      &:nth-child(#{$i}) {
        @include animation(love5 3s infinite ease-in #{$i * 0.5}s);
      }
    }
  }
}

//animation keyframes
@include keyframes(love1, love1 animation) {
  0% {
    @include opacity(0);
    @include transform(scale(0.2) rotate(0deg) translate3d(100px, 0, 0));
  }
  50% {
    @include opacity(1);
  }
  100% {
    @include opacity(0);
    @include transform(scale(0.8) rotate(-40deg) translate3d(-50px, -400px, 0));
  }
}
@include keyframes(love2, love2 animation) {
  0% {
    @include opacity(0);
    @include transform(scale(0.3) rotate(0deg) translate3d(100px, 0, 0));
  }
  50% {
    @include opacity(1);
  }
  100% {
    @include opacity(0);
    @include transform(scale(0.7) rotate(-50deg) translate3d(-80px, -450px, 0));
  }
}
@include keyframes(love3, love3 animation) {
  0% {
    @include opacity(0);
    @include transform(scale(0.3) rotate(0deg) translate3d(100px, 0, 0));
  }
  50% {
    @include opacity(1);
  }
  100% {
    @include opacity(0);
    @include transform(
      scale(0.65) rotate(-60deg) translate3d(-40px, -400px, 0)
    );
  }
}
@include keyframes(love4, love4 animation) {
  0% {
    @include opacity(0);
    @include transform(scale(0.2) rotate(0) translate3d(0, 0, 0));
  }
  50% {
    @include opacity(1);
  }
  100% {
    @include opacity(0);
    @include transform(scale(0.6) rotate(-25deg) translate3d(100px, -200px, 0));
  }
}
@include keyframes(love5, love5 animation) {
  0% {
    @include opacity(0);
    @include transform(scale(0.2) rotate(0) translate3d(0, 0, 0));
  }
  50% {
    @include opacity(1);
  }
  100% {
    @include opacity(0);
    @include transform(scale(0.5) rotate(-20deg) translate3d(200px, -250px, 0));
  }
}

@include keyframes(wheel, wheel animation) {
  0% {
    @include transform(rotate(0deg));
  }
  100% {
    @include transform(rotate(360deg));
  }
}
@include keyframes(wheelShadow, wheelShadow animation) {
  0%,
  20%,
  40%,
  45%,
  60%,
  80%,
  100% {
    top: 0;
  }
  70% {
    top: 3px;
  }
  30%,
  90% {
    top: 6px;
  }
}
@include keyframes(body, body animation) {
  0%,
  20%,
  40%,
  45%,
  60%,
  80%,
  100% {
    top: 0;
  }
  70% {
    top: 3px;
  }
  30%,
  90% {
    top: 6px;
  }
}
@include keyframes(glare, glare animation) {
  from {
    left: 100%;
  }
  to {
    left: -100%;
  }
}
@include keyframes(roadLine, roadLine animation) {
  from {
    @include transform(translate(0, 0));
  }
  to {
    @include transform(translate(-800px, 0));
  }
}
@include keyframes(tree, tree animation) {
  from {
    @include transform(translate(50px, 0));
  }
  to {
    @include transform(translate(-1600px, 0));
  }
}

//demo purpose
@import url("https://fonts.googleapis.com/css?family=Muli");
body {
  font-family: "Muli", sans-serif;
}
.footer {
  position: fixed;
  right: 10px;
  bottom: 10px;
  color: #ea4c89;
  text-decoration: none;
  text-align: left;
  font-weight: bold;
  font-size: 10px;
  span {
    font-size: 12px;
  }
  a {
    font-weight: bold;
    font-size: 10px;
    color: #ea4c89;
    text-decoration: underline;
    &:hover {
      text-decoration: none;
    }
  }
  .dribble {
    img {
      max-width: 100%;
      width: 26px;
      position: relative;
      top: -2px;
      vertical-align: middle;
    }
  }
}