*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font: 400 16px "Kumbh Sans", sans-serif;
}

:root {
  --color-primary: hsl(26, 100%, 55%);
  --color-primary-light: hsl(25, 100%, 94%);
  --color-primary-hover: rgb(255, 156, 80);
  --color-background: hsl(0, 0%, 100%);
  --color-gray: hsl(220, 14%, 75%);
  --color-gray-light: hsl(223, 64%, 98%);
  --color-text: hsl(219, 9%, 45%);
  --color-text-strong: hsl(218, 12%, 13%);
  --color-error: hsl(0, 66%, 54%);
  --overlay: hsla(0, 0%, 0%, 0.5);
}

body {
  background-color: var(--color-background);
  color: var(--color-text);

  display: grid;
  place-content: center;
}
img {
  max-inline-size: 100%;
  block-size: auto;
  object-fit: cover;
}
a {
  text-decoration: none;
  color: inherit;
}

/* header */
.header {
  position: static;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  margin-top: 5px;
}

.nav-toggle {
  background-color: var(--color-background);
  background-image: url(./images/icon-menu.svg);
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  cursor: pointer;
  border: 0;
  width: 1em;
  height: 1rem;
  padding: 0em;
  text-align: left;

  position: absolute;
  left: 1.5rem;
  z-index: 1000;
}
.close {
  background-image: url(./images/icon-close.svg);
}
.nav {
  visibility: hidden;
  position: fixed;
  top: 0;
  left: -100vw;
  width: 70vw;
  height: 100vh;
  background-color: var(--color-background);

  transition: transform 0.3s ease;
  z-index: 999;
}
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--overlay);
  display: none;
  z-index: 998;
}
.nav.nav--visible {
  visibility: visible;
  transform: translateX(100vw);
}
.overlay.nav--visible {
  display: block;
}
.nav__list {
  display: flex;
  flex-direction: column;
  padding-left: 1.5rem;
  padding-top: 6rem;
  gap: 1.5rem;

  list-style: none;
}
.nav__link {
  font-size: 1em;
  font-weight: 700;
  color: var(--color-text-strong);
}
.nav__link:hover {
  color: var(--accent-color1);
}

.logo {
  margin-left: 2rem;
}
.icons {
  display: flex;
  align-items: center;
}
.cart-icon {
  width: 1.5rem;
  height: 1.5rem;
  margin-left: 1rem;
  background-image: url(./images/icon-cart.svg);
  background-size: contain;
  background-repeat: no-repeat;
  position: relative;
  cursor: pointer;
}
.user-icon {
  width: 2rem;
  height: 2rem;
  margin-left: 1.5rem;
  cursor: pointer;
}
.user-icon:hover {
  outline: 2px solid var(--color-primary);
  border-radius: 50%;
}

.cart-number {
  position: absolute;
  top: -0.3rem;
  right: -0.5rem;
  padding: 0 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  background-color: var(--color-primary);
  color: var(--color-gray-light);
}
.cartbox {
  position: absolute;
  top: 6rem;
  right: 1rem;
  width: calc(100vw - 2rem);
  min-height: 200px;
  background-color: var(--color-background);
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  border-radius: 10px;
  z-index: 100;
}
.cart-header {
  height: 50px;
  border-bottom: 1px solid var(--color-gray-light);
  padding-left: 1rem;

  text-align: left;
  line-height: 3rem;
  color: var(--color-text-strong);
  font-weight: 700;
}
.cart-main {
  width: 100%;
  min-height: 150px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.cart__item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.cart__thumbnail {
  width: 3rem;
  height: 3rem;
  border-radius: 5px;
  overflow: hidden;
  flex-shrink: 0;
}
.cart__thumbnail img {
  height: 100%;
}
.cart__remove-item {
  width: 0.8rem;
  height: 1rem;
  background-image: url(./images/icon-delete.svg);
  background-repeat: no-repeat;
  background-size: contain;
  cursor: pointer;
  margin-left: auto;

  flex-shrink: 0;
}
.cart__info {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  height: 3.5rem;
  color: var(--color-text);
}
.cart__info .item-name {
  width: 100%;
  font-size: 0.95rem;
  text-align: left;
}
.cart__item .item-price {
  display: flex;
  gap: 8px;
}
.cart__info .item-total-price {
  color: var(--color-text-strong);
  font-weight: 700;
}
.cart__checkout {
  background-color: var(--color-primary);
  color: var(--color-text-strong);
  font-weight: 700;
  width: 100%;
  height: 50px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}
.cart__checkout:hover {
  background-color: var(--color-primary-hover);
}
.cart-main-message {
  width: 100%;
  height: 100%;
  text-align: center;
  color: var(--color-text-strong);
  font-weight: 700;
}

/* main */
.product {
  display: grid;
  row-gap: 1.5rem;
}

.product-image {
  width: 100%;
  height: 300px;
  position: relative;
  text-align: center;
  overflow: hidden;
}
.static-image-box {
  display: none;
}
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;

  background-color: var(--color-background);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 0.6rem;

  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 1;

  display: grid;
  place-content: center;
}
.icon-left::before,
.icon-right::before {
  content: "";
  width: 10px;
  height: 10px;
  border: solid black;
  border-width: 3px 3px 0 0;
  display: block;
}
.icon-left::before {
  transform: rotate(-135deg);
}
.icon-right::before {
  transform: rotate(45deg);
}
.icon-left {
  padding-left: 3px;
  left: 15px;
}
.icon-right {
  padding-right: 5px;
  right: 15px;
}
.arrow:hover::before {
  border-color: var(--color-primary);
}
.thumbnail-section {
  display: none;
}
.carousel {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-content: center;
  gap: 1rem;

  background-color: var(--overlay);
}
.carousel .image {
  width: 100%;
}
.carousel .image img {
  display: none;
}
.carousel .image .active {
  display: block;
}
.carousel .thumbnail-section {
  display: none;
}
.carousel .close-section {
  display: none;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0 1.5rem;
}
.company-name {
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 1px;
}
.product-title {
  color: var(--color-text-strong);
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.description {
  font-size: 1rem;
  line-height: 1.5rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.price-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.new-price {
  color: var(--color-text-strong);
  font-size: 1.7rem;
  font-weight: 700;
}
.discount {
  background-color: var(--color-text-strong);
  color: var(--color-gray-light);
  height: 1.6rem;
  width: 3rem;
  display: grid;
  place-content: center;
  border-radius: 5px;
  font-size: 0.9rem;
  font-weight: bold;
}
.old-price {
  margin-left: auto;
  text-decoration: line-through;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 700;
}

.inputs-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quantity-selector {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-gray-light);
  border-radius: 10px;
  padding: 0.8rem 1.5rem;
  margin-bottom: 1rem;
  position: relative;
}
.quantity-selector .quantity {
  color: var(--color-text-strong);
  font-weight: 700;
}
.quantity-selector button {
  border: none;
  width: 1.5rem;
  height: 1rem;
  cursor: pointer;

  background-position: center;
  background-repeat: no-repeat;
  background-color: transparent;

  position: relative;
}
.quantity-selector button:hover::before,
.quantity-selector button:hover::after {
  background-color: var(--color-primary-hover);
}
.icon-plus::before,
.icon-plus::after {
  content: "";
  position: absolute;
  background-color: var(--color-primary);
  width: 0.9rem; /* Tamanho da linha */
  height: 4px; /* Espessura da linha */
  top: 50%;
  left: 5px;
  transform: translateY(-50%);
}
.icon-plus::after {
  transform: rotate(90deg) translateX(-10%) translateY(-5%);
}
.icon-minus::before {
  content: "";
  position: absolute;
  background-color: var(--color-primary);
  width: 0.9rem; /* Tamanho da linha */
  height: 4px; /* Espessura da linha */
  top: 50%;
  right: 5px;
  transform: translateY(-50%);
}

.quantity-selector.error {
  border: 2px solid var(--color-error);
}
.quantity-error {
  position: absolute;
  bottom: -1.5rem;
  left: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-error);
}

.add-to-cart {
  background-color: var(--color-primary);
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1em;
}
.add-to-cart:hover {
  background-color: var(--color-primary-hover);
}
.button__cart-icon {
  display: block;
  width: 1.5em;
}
.button__description {
  display: block;
  color: var(--color-text-strong);
  font-weight: 700;
}

/* footer */
.attribution {
  font-size: 11px;
  text-align: center;
  margin: 1rem;
}
.attribution a {
  font-size: 12px;
  font-weight: 700;
  color: hsl(228, 45%, 44%);
}

@media screen and (min-width: 600px) {
  .product-image {
    width: 500px;
    margin: auto;
    border-radius: 10px;
  }
  .product-info {
    width: 500px;
    margin: auto;
  }
}

@media screen and (min-width: 900px) {
  /* header */
  .header {
    height: 80px;
    padding: 0;
    justify-content: left;
    align-items: center;
    gap: 3rem;
    border-bottom: 1px solid var(--color-gray-light);
    position: relative;
  }

  .nav-toggle {
    display: none;
  }
  .nav {
    order: 1;
    visibility: visible;
    position: static;
    width: auto;
    height: 100%;
    z-index: 0;
  }
  .nav__list {
    height: 100%;
    flex-direction: row;
    align-items: center;
    padding: 0;
  }
  .nav__item {
    height: 100%;
  }
  .nav__link {
    height: 100%;
    display: flex;
    align-items: center;
    font-size: 1em;
    font-weight: 400;
    color: var(--color-text);
  }
  .nav__link:hover {
    color: var(--color-text-strong);
    border-bottom: 3px solid var(--color-primary);
  }

  .logo {
    order: 0;
  }
  .icons {
    order: 2;
    margin-left: auto;
    margin-right: 2rem;
  }
  .user-icon {
    width: 3rem;
    height: 3rem;
    margin-left: 2rem;
  }

  .cartbox {
    position: absolute;
    top: 4.5rem;
    right: 1rem;
    width: 350px;
  }

  /* main */
  .product {
    max-width: 1000px;
    padding: 3rem 2rem;
    display: flex;
    align-items: center;
    gap: 3rem;
  }

  .product-image {
    height: auto;
    width: 450px;
  }
  .static-image-box {
    display: block;
  }
  .static-image-box img {
    border-radius: 10px;
    cursor: pointer;
  }
  .static-image-box img:hover {
    opacity: 0.5;
  }
  .thumbnail-section {
    width: 100%;
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
  }
  .thumbnail {
    width: 20%;
    position: relative;
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;
  }
  .thumbnail img {
    height: 100%;
  }
  .thumbnail::before {
    position: absolute;
    content: "";
    display: none;
    width: 100%;
    height: 100%;
    background-color: var(--color-gray-light);
    opacity: 0.5;
  }
  .thumbnail:hover::before {
    display: block;
  }
  .thumbnail-active:hover {
    opacity: 1;
  }
  .thumbnail-active::before {
    content: "";
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    opacity: 1;
    background-color: hsla(0, 0%, 100%, 0.5);
    border: 2px solid var(--color-primary);
    border-radius: 10px;
  }

  #static-image {
    width: 100%;
  }
  #static-image:focus {
    border: 2px solid black;
    padding: 1px;
  }

  .carousel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: grid;
    place-content: center;
    gap: 1rem;

    background-color: var(--overlay);
    z-index: 1000;
  }
  .carousel .image {
    background-color: red;
    width: 450px;
    height: 450px;
    border-radius: 10px;
    overflow: hidden;
  }
  .carousel .image img {
    display: none;
  }
  .carousel .image .active {
    display: block;
  }
  .carousel .arrow {
    top: 47%;
  }
  .carousel .icon-left {
    left: calc(50% - 245px);
  }
  .carousel .icon-right {
    right: calc(50% - 245px);
  }
  .carousel .thumbnail-section {
    display: flex;
    width: 400px;
    margin: 1rem auto;
  }
  .carousel .close-section {
    width: 100%;
    display: flex;
    justify-content: end;
  }
  .carousel .close {
    background: none;
    border: none;
    position: relative;
    width: 20px;
    height: 20px;
    cursor: pointer;
  }
  .close::before,
  .close::after {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background-color: var(--color-gray-light);
    transform-origin: center;
  }
  .close::before {
    transform: rotate(45deg);
  }
  .close::after {
    transform: rotate(-45deg);
  }
  .close:hover::before,
  .close:hover::after {
    background-color: var(--color-primary);
    filter: brightness(130%);
  }

  .product-info {
    width: 60%;
  }
  .price-container {
    flex-wrap: wrap;
  }
  .old-price {
    width: 100%;
  }
  .inputs-section {
    flex-direction: row;
    justify-content: space-between;
    height: 3rem;
  }
  .quantity-selector {
    height: 100%;
    width: 40%;
    padding: 0.8rem 0.8rem;
  }
  .add-to-cart {
    width: 55%;
  }
}

.hidden {
  display: none;
}