:root {
  --clr-primary: rgba(0, 158, 198, 1);
  --clr-fade-25: rgba(0, 158, 198, 0.25);
  --clr-fade-50: rgba(0, 158, 198, 0.5);

  --clr-secondary: rgba(0, 124, 164, 1);
  
  --clr-white: #FFF;
  --clr-light: #fafafa;
  --clr-light-1: #F4F4F4;
  --clr-light-2: #e0e0e0;
  --clr-med: #C4C4C4;
  --clr-dark: #757575;
  --clr-black: #444444;
  
  
  --beer-shadow: 0 5px 20px rgb(192 196 204 / 30%);
  --expanded-shadow: 0 0 40px rgba(0, 0, 0, 0.19), 0 5px 5px rgba(0, 0, 0, 0.23);
  --btn-shadow: 0px 2px 6px rgba(0, 0, 0, 0.25);
  --filter-shadow: 0 0 40px rgba(0, 0, 0, 0.19), 0 5px 25px rgba(0, 0, 0, 0.23);
}

*, *::before, *:after {
  box-sizing: border-box;
}

/* resets */
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--clr-light);
  font-family: "Lato", sans-serif;
  color: var(--clr-black);
}

.header {
  padding: 0 2em;
}

aside {
  background-color: var(--clr-light-1);
}

h1, h2 {
  font-family: 'Bitter', serif;
  text-transform: uppercase;
}

h1 {
  color: var(--clr-black);
  font-weight: 900;
  font-size: 3.375rem;
  line-height: 4rem;
  max-width: 200px;
}

h2 {
  font-weight: 700;
  font-size: 1.5rem;
  margin: 0 0 0.25em 0;
}

p {
  margin: 0 0 0.75em 0;
  line-height: 1.6;
}

#filters {
  width: 100vw;
  height: 90vh;
  position: fixed;
  top: 0;
  left: 0;
  padding: 7em 1.5em;
  background-color: var(--clr-light-1);
  box-shadow: var(--filter-shadow);
  border-bottom-left-radius: 0.5em;
  border-bottom-right-radius: 0.5em;
  transform: translateY(-100%);
}

#filters.filters--animatable {
  transition: all 130ms ease-in;
}

#filters.filters--visible.filters--animatable {
  transition: all 330ms ease-out;
}

#filters.filters--visible {
  transform: translateY(0);
}

.filter {
  margin-bottom: 2.5em;
}

.filter__text {
  color: var(--clr-black);
}

.filter__form input[type='radio'] {
  opacity: 0;
  position: fixed;
  width: 0;
  height: 0;
}

.filter__form {
  display: grid;
  gap: 0.5em;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  width: 100%;
}

.filter__form--select {
  grid-column: span 1;
}

.filter__form--select-all {
  grid-column: span 3;
}

.filter__form--select,
.filter__form--select-all {
  display: inline-block;
  text-transform: uppercase;
  text-align: center;
  padding: 0.5em;
  cursor: pointer;
  color: var(--clr-dark);
  border: 2px solid var(--clr-med);
  border-radius: 4px;
}

.filter__form--select:hover,
.filter__form--select-all:hover {
  color: var(--clr-secondary);
  background-color: var(--clr-fade-25);
  border-color:  var(--clr-primary);
}

.filter__form--select:active,
.filter__form--select-all:active {
  color: var(--clr-white);
  border-color: var(--clr-primary);
  background-color: var(--clr-primary);
}

.filter__form--low:checked + label,
.filter__form--medium:checked + label,
.filter__form--high:checked + label,
.filter__form--all:checked + label {
  color: var(--clr-white);
  background-color: var(--clr-primary);
  border-color:  var(--clr-primary);
  
}

#filter__btn {
  width: 4em;
  height: 4em;
  position: fixed;
  top: 3em;
  right: 2em;
  outline: none;
  border: none;
  border-radius: 50%;
  background-color: var(--clr-primary);
  box-shadow: var(--btn-shadow);
  cursor: pointer;
  display: grid;
  place-content: center;
  z-index: 10;
}

#filter__btn--menu {
  position: relative;
  top: 2px;
}

#filter__btn--close {
  display: none;
}

/* --------------------------------- */
.beers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16em, 1fr));
  gap: 2em;
  padding: 2rem;
  text-align: center;
  width: 100%;
}

.beer {
  background-color: var(--clr-white);
  box-shadow: var(--beer-shadow);
  border-radius: 0.5em;
  display: grid;
  grid-template: auto 82px 48px / auto;
  grid-template-areas: 
    "img"
    "title"
    "info"
  ;
  padding: 2em;
  cursor: pointer;
  transition: all 0.2s ease-out;
}

[class='beer']:hover {
  transform: scale(1.03);
}

.beer__img {
  grid-area: img;
  margin: auto;
  height: 15rem;  
}

.beer__title {
  grid-area: title;
  margin: 0;
  align-self: center;
  font-weight: 700;
  font-size: 1.35rem;
}

.beer__info {
  grid-area: info;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.beer__content {
  grid-area: content;
  display: none;
}

#overlay {
  display: none;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.9);
  
  z-index: 10;
}

.beer__expanded {
  --expanded-width: 90%;
  --expanded-height: 85%;
  margin: 0 auto;
  position: relative;
  top: calc(50vh - var(--expanded-height) / 2);
  width: var(--expanded-width);
  height: var(--expanded-height);
  padding: 0;
  grid-template: 60px 100px auto / 1fr 1fr;
  grid-template-areas: 
    "img ."
    "img info"
    "content content"
  ;
  box-shadow: var(--expanded-shadow);
  z-index: 30;
  cursor: default;

}

.beer__expanded .beer__img {
  justify-self: center;
  align-self: center;
  padding: 0.5em;
  height: 16em;
  transform: translateY(-36px);
}

.beer__expanded .beer__title {
  display: none;
}

.beer__expanded .beer__info {
  flex-direction: column;
  justify-content: space-evenly;
  justify-self: end;
  margin: 0 1.5em 0 0;
}

.beer__expanded .beer__close {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg class='beer__close' width='20' height='20' fill='none' stroke='%23009FC9' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l18 18m0-18L1 19' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  width: 28px;
  height: 28px;
  position: absolute;
  top: 1.5em;
  right: 1.5em;
  z-index: 40;
  cursor: pointer;
  transition: transform 0.2s ease-in;
}

.beer__expanded .beer__close:hover {
  transform: scale(1.1);
}

.beer__expanded .beer__content {
  display: block;
  padding: 0 1em;
  color: var(--clr-white);
  background-color: var(--clr-primary);
  border-bottom-left-radius: 0.5em;
  border-bottom-right-radius: 0.5em;
  overflow-y: scroll;
  z-index: 30;
}

.beer__name {
  margin: 1em 0 0.5em 0;
  font-family: 'Bitter', serif;
  font-size: 2.4rem;
  line-height: 1.07em;
  letter-spacing: -0.015em;
}

.beer__tagline {
  font-size: 1.2rem;
  padding-bottom: 1rem;
  font-style: italic;
  border-bottom: 2px solid var(--clr-white);
}

.beer__description,
.beer__food-pairing {
  font-weight: 400;
  font-size: 1rem;
  margin: 1rem 0;
  line-height: 1.6;
}

.beer__food-pairing {
  font-style: italic;
  font-weight: 300;
}

.pagination {
  display: flex;
  justify-content: center;
  margin: 0 0 4em 0 ;
  padding: 0 2em;
}

.pagination__page-number {
  margin: 0;
  display: block;
  align-self: center;
  justify-content: center;
  padding: 0.5em;
  margin-bottom: 3px;;
}

.pagination__btn {
  outline: none;
  border: none;
  background-color: transparent;
  cursor: pointer;
}

.pagination__btn:disabled {
  cursor: not-allowed;
}

.pagination__btn:disabled path{
  stroke: var(--clr-med);
}

.pagination__btn:hover path{
  stroke: var(--clr-secondary);
}

.pagination__btn--previous {
  padding: 0.5em 1em 0.5em 0;
}

.pagination__btn--next {
  padding: 0.5em 0 0.5em 1em;
}

/*  ---------------------------------- */

@media (min-width: 680px) {
  body {
    display: grid;
    grid-template-columns: auto auto;
    grid-template-rows: 500px auto;
  }
  
  main {
    grid-column: 1/2;
    grid-row: 1/3;
  }
  
  .header {
    grid-column: 2/3;
    grid-row: 1/2;
    justify-self: end;
    padding-left: 2em;
    background-color: var(--clr-light-1);
  }

  
  .header__info {
    border-left: 6px solid var(--clr-primary);
    padding-left: 1em;
  }
  
  header,
  aside {
    border-left: 1px solid var(--clr-light-2);
  }
  
  #filters {
    grid-column: 2/3;
    grid-row: 2/3;
    width: 100%;
    position: -webkit-sticky;
    position: sticky;
    overflow-y: scroll;
    box-shadow: unset;
    padding: 2em;
    transform: translateX(0);

  }
  
  #filter__btn { 
    display: none;
  }
  
  .beers {
    padding: 3em;
  }
  
  .beer__expanded {
    --expanded-height: 500px;
    grid-template: auto 100px / 40% 60%;
    grid-template-areas: 
      "img content"
      "info content"
    ;
  }
  
  .beer__expanded .beer__close {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg class='beer__close' width='20' height='20' fill='none' stroke='%23fff' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l18 18m0-18L1 19' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    
  }
  
  .beer__expanded .beer__img {
    justify-self: center;
    align-self: center;
    padding: 0.5em;
    height: 22em;
    transform: translateY(0);
  }
  
  .beer__expanded .beer__info {
    flex-direction: row;
    justify-content: space-between;
    justify-self: center;
    width: 70%;
    margin: 0;
  }
  
  .beer__expanded .beer__content {
    padding: 0 1.5em;
    border-top-right-radius: 0.5em;
    border-bottom-right-radius: 0.5em;
    border-bottom-left-radius: unset;
  }
  
  .beer__name,
  .beer__tagline,
  .beer__description,
  .beer__food-pairing {
    text-align: left;
  }
  
  .beer__name {
    margin: 2em 0 0.5em 0;
  }
}



@media (min-width: 850px) {
  body {
    grid-template-columns: auto 400px;
    grid-template-rows: 460px auto;
  }
  
  .beer__expanded {
    --expanded-width: 800px;
    
  }
}