:root {
  --color-primary-orange: hsl(26, 100%, 55%);
  --color-primary-pale-orange: hsl(25, 100%, 94%);

  --color-neutral-very-dark-blue: hsl(220, 13%, 13%);
  --color-neutral-dark-grayish-blue: hsl(219, 9%, 45%);
  --color-neutral-grayish-blue: hsl(220, 14%, 75%);
  --color-neutral-light-grayish-blue: hsl(223, 64%, 98%);
  --color-neutral-white: hsl(0, 0%, 100%);
  --color-neutral-black: hsl(0, 0%, 0%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Kumbh Sans",sans-serif;
  color: var(--color-neutral-very-dark-blue);
}

main {
  position: relative;
}

p {
  color: var(--color-neutral-dark-grayish-blue);
  line-height: 1.5rem;
}

img {
  display: inline-block;
}

button:hover {
  cursor: pointer;
}

.button-appearence-none {
  background-color: transparent;
  border: none;
}

header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  button {
    margin-block: auto;
    display: flex;
  }
}

#perfil-avatar {
  max-inline-size: 1.5rem;
}

#cart-button {
  position: relative;

  #item-number {
    transform: translate(0.2rem,-0.2rem);
    font-weight: 700;
    font-size: 0.5rem;
    border-radius: 0.5rem;
    padding: 0.05rem 0.35rem;
    inset: 0 0 auto auto;
    color: var(--color-neutral-white);
    position: absolute;
    background-color: var(--color-primary-orange);
    z-index: 2;
  }
}

#oficial-logo {
  transform: translateY(-0.15rem);
  margin-right: auto;
}

#slider-container {
  position: relative;
}

#item-visualizer {
  position: fixed;
  block-size: 100vh;
  inset: 0;
  z-index: 100;
  opacity: 0;
  z-index: -10;
  opacity: 0;
  &.loaded {
    transition: z-index 0s ease 0.25s, opacity 0.25s ease;
  }
  &.show {
    transition: z-index 0s ease 0s, opacity 0.25s ease;
    z-index: 10;
    opacity: 1;
  }
  #arrow-right, #arrow-left {
    display: block;
    transform: translateY(-4rem);
    margin-inline: -1.2rem;
  }
  #arrow-right > * {
    transform: translateX(0.1rem);
  }
  #arrow-left > * {
    transform: translateX(-0.1rem);
  }
  #close-button {
    fill: var(--color-neutral-white);
    &:hover {
      fill: var(--color-primary-orange);
    }
  }
  .slider-button {
    stroke: var(--color-neutral-black);
    &:hover {
      stroke: var(--color-primary-orange);
    }
  }
  #slider-container.big {
    inline-size: 100%;
  }
  #container {
    inline-size: 35rem;
    position: fixed;
    display: grid;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    & > :first-child {
      margin-left: auto;
      margin-bottom: 0.5rem;
    }
    .slider {
      aspect-ratio: 1 / 1;
      inline-size: 35rem;
    }
  }
  #dark-background-big {
    position: fixed;
    inset: 0;
    background-color: hsl(0,0%,0%,0.5);
  }
}

#dark-background {
  position: fixed;
  background-color: hsl(0, 0%, 0%,0.25);
  backdrop-filter: blur(5px);
  inset: 0;
  z-index: -10;
  opacity: 0;
  &.loaded {
    transition: opacity 0.25s ease, z-index 0s ease 0.25s;
  }
  &.show {
    z-index: 5;
    opacity: 1;
    transition: opacity 0.25s ease, z-index 0s ease 0s;
  }
}

#menu-small-sizes {
  position: fixed;
  inset: 0 0 0 0;
  background-color: var(--color-neutral-white);
  inline-size: 60%;
  z-index: -10;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  place-items: start;
  gap: 3rem;
  transform: translateX(-20rem);
  opacity: 0;
  &.loaded {
    transition: opacity 0.25s ease, transform 0.25s ease, z-index 0s ease 0.25s;
  }
  button {
    display: flex;
  }
  nav {
    display: grid;
    gap: 1rem;
    a {
      text-decoration: none;
      color: var(--color-neutral-very-dark-blue);
      font-weight: 700;
    }
  }
  &.show {
    z-index: 10;
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.25s ease, transform 0.25s ease, z-index 0s ease 0s;
  }
}

.slider {
  display: flex;
  overflow-x: scroll;
  white-space: nowrap;
  scroll-behavior: smooth;
  & > img {
    object-fit: cover;
    aspect-ratio: 1.5 / 1;
    height: auto;
    flex-shrink: 0;
    inline-size: 100%;
    display: block;
  }
  #arrow-right {
    right: 0;
    & > img {
      margin-left: 0.1rem;
    }
  }
  #arrow-left > img{
    margin-right: 0.1rem;
  }
  &::-webkit-scrollbar {
    display: none;
  }
}

#thumbnails-item {
  display: none;
}

.slider-button {
  position: absolute;
  aspect-ratio: 1 / 1;
  border: none;
  inline-size: 2.5rem;
  border-radius: 9999px;
  background-color: var(--color-neutral-white);
  top: 50%;
  transform: translateY(-50%);
  margin-inline: 0.5rem;
  display: grid;
  place-items: center;
}

.mono-space {
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.25ch;
}

#price-button-container {
  display: grid;
  gap: 0.75rem;
}

#price-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  & > div {
    display: flex;
    gap: 0.75rem;
    margin-right: auto;
  }
  & > div > :nth-child(1) {
    color: var(--color-neutral-black);
    font-weight: 700;
    font-size: 1.5rem;
  }
  & > div > :nth-child(2) {
    background-color: var(--color-neutral-black);
    border-radius: 0.25rem;
    color: var(--color-neutral-white);
    font-weight: 550;
    padding-inline: 0.25rem;
  }
  & > :nth-child(2) {
    margin-left: auto;
    text-decoration: line-through;
    font-weight: 550;
  }
}

#number-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  background-color: hsla(217, 53%, 43%, 0.05);
  border-radius: 0.5rem;
  svg {
    fill: var(--color-primary-orange);
  }
  button {
    display: flex;
    &:hover > svg, &:focus > svg {
      fill: hsl(26, 100%, 55%,0.75);
    }
  }
  p {
    color: var(--color-neutral-black);
    font-weight: 700;
  }
}

#add-to-cart-button,#button-checkout-order {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border: none;
  background-color: var(--color-primary-orange);
  border-radius: 0.5rem;
  box-shadow: 0 1.5rem 1.5rem -1.3rem hsl(26, 100%, 55%);
  font-family: inherit;
  p {
    color: var(--color-neutral-black);
    font-weight: 700;
  }
  &:hover, &:focus {
    background-color: hsl(26, 100%, 55%,0.75);
  }
  svg {
    transform: scale(0.75);
  }
}

#cart-pop-up {
  opacity: 0;
  gap: 0;
  position: absolute;
  inset: 0 0 auto 0;
  z-index: -10;
  background-color: var(--color-neutral-white);
  margin: 0.5rem;
  border-radius: 0.5rem;
  padding: 0;
  box-shadow: 0 0.75rem 1rem 0 rgba(0,0,0,0.3);
  &.loaded {
    transition: opacity 0.25s ease, z-index 0s ease 0.25s;
  }
  & > *:where(:not(hr)) {
    margin: 1rem;
  }
  hr {
    border-color: hsl(0,0%,0%,0.1);
  }
  & > p:first-child {
    color: var(--color-neutral-very-dark-blue);
    font-weight: 700;
  }
  & > #empty-msg-cart {
    color: var(--color-neutral-dark-grayish-blue);
    font-weight: 600;
    text-align: center;
    margin-block: 4rem;
  }
  &.show {
    opacity: 1;
    z-index: 3;
    transition: opacity 0.25s ease, z-index 0s ease;
  }
  #item-container {
    display: none;
  }
  button {
    display: none;
  }
  &.has-item {
    #item-container {
      display: flex;
    }
    button {
      display: block;
    }
    #empty-msg-cart {
      display: none;
    }
  }
}

#item-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  margin-bottom: 0;
  #thumbnail-icon {
    inline-size: 2.5rem;
    border-radius: 0.25rem;
  }
  #delete-item-button {
    margin-left: auto;
    display: flex;
  }
  #price-details {
    display: flex;
    gap: 0.5ch;
    & > :last-child {
      color: var(--color-neutral-black);
      font-weight: 700;
    }
  }
}

#hr-for-large-screens, #nav-big-screens {
  display: none;
}

section {
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
  margin-bottom: 4rem;
}

@media (width > 800px) {
  .slider:hover {
    cursor: pointer;
  }
  #oficial-logo {
    margin-right: 0;
  }
  #menu-button-open {
    display: none;
  }
  #nav-big-screens {
    display: flex;
    gap: 2rem;
    margin-right: auto;
    margin-left: 2rem;
    a {
      text-decoration: none;
      color: var(--color-neutral-dark-grayish-blue);
      position: relative;
    }
    a:hover::after, a:focus::after {
      outline: 0px transparent black;
      content: "";
      position: absolute;
      block-size: 2px;
      inset: auto 0 0 0;
      transform: translateY(2.65rem);
      z-index: 3;
      background-color: var(--color-primary-orange);
    } 
  }
  header {
    max-inline-size: 80rem;
    margin-inline: auto;
    gap: 1.75rem;
    padding-top: 2rem;
    margin-bottom: 5rem;
    position: relative;
    &::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      background-color: var(--color-neutral-light-grayish-blue);
      block-size: 2px;
      transform: translateY(1.5rem);
    }
  }
  main {
    max-inline-size: 70rem;
    margin-inline: auto;
  }
  .slider-button {
    display: none;
  }
  .slider {
    overflow: hidden;
    border-radius: 1rem;
  }
  #price-button-container {
    display: grid;
    grid-template-columns: 0.333fr 0.666fr;
  }
  #main-content {
    margin-inline: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 5rem;
    section {
      align-content: center;
      margin-bottom: 0;
      gap: 1.5rem;
    }
    img {
      aspect-ratio: 1 / 1;
    }
  }
  #price-section {
    display: grid;
    & > :last-child {
      margin-inline: 0;
    }
  }
  h1 {
    font-size: 2.5rem;
  }
  #cart-pop-up {
    inset: -5rem 0 auto auto;
    inline-size: 20rem;
  }
  #perfil-avatar:hover {
    outline: 2px solid var(--color-primary-orange);
    border-radius: 999px;
  }
  #item-visualizer #thumbnails-item {
    max-inline-size: 25rem;
    margin-inline: auto;
  }
  #thumbnails-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    inline-size: 100%;
    margin-top: 1.5rem;
    div {
      border-radius: 0.5rem;
      inline-size: calc((100% / 5));
      position: relative;
      overflow: hidden;
    }
    img {
      display: block;
      inline-size: 100%;
    }
    div:hover {
      cursor: pointer;
    }
    div.selected {
      outline: 2px solid var(--color-primary-orange);
    }
    div.selected::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 3;
      background-color: hsl(0, 0%, 100%,0.75);
    }
    div:not(.selected) {
      &:hover::after, &:focus::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 3;
        background-color: hsl(0, 0%, 100%,0.5);
      }
    }
  }
}