/* ==========================================================================
   1. RESET
   ========================================================================== */

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

/* Prevent font size inflation */
html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

/* Remove default margin in favour of better control in authored CSS */
body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin-block-end: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
  list-style: none;
}

/* Set shorter line heights on headings and interactive elements */
h1,
h2,
h3,
h4,
button,
input,
label {
  line-height: 1.1;
}

/* Balance text wrapping on headings */
h1,
h2,
h3,
h4 {
  text-wrap: balance;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
  color: currentColor;
}

/* Make images easier to work with */
img,
picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* Make sure textareas without a rows attribute are not tiny */
textarea:not([rows]) {
  min-height: 10em;
}

/* Anything that has been anchored to should have extra scroll margin */
:target {
  scroll-margin-block: 5ex;
}

/* ==========================================================================
   2. GLOBALS
   ========================================================================== */
@font-face {
  font-family: 'Kumbh Sans';
  src: url('../assets/fonts/KumbhSans-VariableFont_YOPQ\,wght.ttf') format('truetype-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --colour-white: 0 0% 100%;
  --colour-black: 0 0% 0%;

  --colour-grey-950: 220 13% 13%;
  --colour-grey-500: 219 09% 45%;
  --colour-grey-300: 221 22% 81%;
  --colour-grey-100: 219 35% 92%;
  --colour-grey-050: 223 64% 98%;

  --colour-orange-500: 26 100% 55%;
  --colour-orange-300: 26 100% 71%;

  --font-size-1: 2.75rem;
  --font-size-2: 1.75rem;
  --font-size-3: 1rem;
  --font-size-4: 0.9375rem;
  --font-size-5: 0.8125rem;
  --font-size-6: 0.75rem;

  --letter-spacing-1: 2px;
  --letter-spacing-2: 1.85px;

  --space-size-000: 0rem;
  --space-size-100: 0.5rem;
  --space-size-200: 1rem;
  --space-size-300: 1.5rem;
  --space-size-400: 2rem;
  --space-size-500: 2.5rem;
  --space-size-600: 3rem;
  --space-size-700: 3.5rem;
  --space-size-900: 4.5rem;
  --space-size-1000: 5rem;
  --space-size-1200: 6rem;
  --space-size-1300: 6.5rem;
  --space-size-1600: 8rem;
}

body {
  background: hsl(var(--colour-white));
  color: hsl(var(--colour-black));
  font-family: 'Kumbh Sans', sans-serif;
  display: grid;
  grid-template-rows: min-content 1fr;
}

/* ==========================================================================
   3. COMPOSITION
   ========================================================================== */

.wrapper {
  position: relative;
  margin-inline: auto;
  padding-inline: 2rem;
  max-width: 1240px;
}

/* ==========================================================================
   4. UTILITIES
   ========================================================================== */
.flex {
  display: flex;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   5. BLOCKS
   ========================================================================== */

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1em;
}

.site-header__logo {
  flex-shrink: 0;
}

.site-header__actions {
  gap: .5em;
  align-items: center;
  margin-inline-start: auto;
  position: relative;
}

.account-button {
  border: none;
  background-color: transparent;
  cursor: pointer;
  width: var(--space-size-600);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid transparent;
  padding: 0;
}

.account-button:hover {
  border-color: hsl(var(--colour-orange-500));
}

.account-button:focus {
  outline: 2px solid hsl(var(--colour-orange-500));
  outline-offset: 2px;
}

@media (min-width: 64rem) {
  .site-header__inner {
    padding-block: var(--space-size-400);
    border-bottom: 1px solid hsl(var(--colour-grey-100));
  }
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-color: hsl(var(--colour-black)/.75);
  opacity: 0;
  transition: opacity 300ms ease-out;
  pointer-events: none;
  z-index: 800;
}

body:has(.navigation[data-visible="true"]) {
  overflow: hidden;
}

body:has(.navigation[data-visible="true"])::before {
  opacity: 1;
}

.mobile-navigation-toggle {
  border: 0;
  background-color: transparent;
  background-image: url('../assets/images/icon-menu.svg');
  background-repeat: no-repeat;
  background-size: cover;
  width: 1rem;
  aspect-ratio: 1;
  padding: 0;
  flex-shrink: 0;
  z-index: 1000;
}

.mobile-navigation-toggle[aria-expanded="true"] {
  background-image: url('../assets/images/icon-close.svg');
}

.navigation {
  background-color: hsl(var(--colour-white));
  position: fixed;
  inset: 0 40% 0 0;
  transform: translateX(-100%);
  padding: var(--space-size-900) var(--space-size-300);
  z-index: 900;
}

.navigation[data-visible="true"] {
  transform: translateX(0);
}

.navigation ul {
  gap: 1rem;
  flex-direction: column;
  margin: 0;
  padding-inline: .5rem;
}

.navigation a {
  font-weight: 700;
  text-decoration: none;
}

@media (min-width: 64rem) {
  .mobile-navigation-toggle {
    display: none;
  }

  .navigation {
    position: static;
    transform: none;
    padding: 0;
    background-color: transparent;
    margin-inline-start: var(--space-size-700);
  }

  .navigation ul {
    flex-direction: row;
    gap: var(--space-size-400);
  }

  .navigation a {
    font-weight: 400;
    color: hsl(var(--colour-grey-500));
    position: relative;
  }

  .navigation a::after {
    content: '';
    position: absolute;
    bottom: calc(-2.8rem);
    left: 0;
    right: 0;
    height: 4px;
    background-color: hsl(var(--colour-orange-500));
    transform: scaleX(0);
    transition: transform 300ms ease-in-out;
  }

  .navigation a:hover::after {
    transform: scaleX(1);
  }
}

.cart-button {
  color: hsl(var(--colour-grey-500));
  border: none;
  background-color: transparent;
  cursor: pointer;
  padding: 0;
}

.cart-button:hover {
  color: hsl(var(--colour-black));
}

.cart-button:focus {
  outline: 2px solid hsl(var(--colour-orange-500));
  outline-offset: 2px;
}

.cart-button svg {
  display: block;
  width: 1.5rem;
  height: auto;
}

.cart-button__badge {
  position: absolute;
  top: 0.5rem;
  background-color: hsl(var(--colour-orange-500));
  color: hsl(var(--colour-white));
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.1em 0.5em;
  border-radius: 0.5rem;
  pointer-events: none;
}

.cart-popover {
  position: absolute;
  top: calc(100% + 1rem);
  right: -2rem;
  width: 360px;
  background-color: hsl(var(--colour-white));
  border-radius: 0.5rem;
  box-shadow: 0 1rem 2rem -0.5rem hsl(var(--colour-grey-300));
  z-index: 1000;
}

.cart-popover__title {
  font-size: var(--font-size-4);
  padding: var(--space-size-300);
  border-bottom: 1px solid hsl(var(--colour-grey-100));
  margin: 0;
}

.cart-popover__content {
  padding: var(--space-size-300);
  min-height: 12rem;
  display: grid;
  place-content: center;
  gap: 1.5rem;
}

.cart-popover__empty-message {
  color: hsl(var(--colour-grey-500));
  font-weight: 700;
  margin: 0;
}

.cart-popover__items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.5rem;
}

.cart-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  color: hsl(var(--colour-grey-500));
}

.cart-item__thumbnail {
  width: 3rem;
  border-radius: 0.25rem;
}

.cart-item__total {
  color: hsl(var(--colour-black));
  font-weight: 700;
}

.cart-item__delete {
  background: none;
  border: none;
  cursor: pointer;
}

@media (max-width: 63.99rem) {
  .cart-popover {
    left: 75%;
    transform: translateX(-100%);
    max-width: 360px;
  }
}

.product {
  padding-block: var(--space-size-300);
}

.product__main-image {
  position: relative;
  margin: 0 auto;
}

.product__main-image img {
  border-radius: .75rem;
}

.product__lightbox-trigger {
  border: 0;
  padding: 0;
  background: none;
  width: 100%;
  cursor: pointer;
}

.product__nav-button {
  background-color: hsl(var(--colour-white));
  border: none;
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  pointer-events: all;
  position: absolute;
  top: 50%;
}

.product__nav-button--next {
  right: 1.5rem;
}

.product__nav-button--prev {
  left: 1.5rem;
}

.product__nav-button:hover,
.product__nav-button:focus {
  color: hsl(var(--colour-orange-500));
}

.product__nav-button:focus {
  outline: 2px solid hsl(var(--colour-orange-500));
  outline-offset: 2px;
}

.product__gallery {
  padding: 0;
  display: none;
}

.product__brand {
  color: hsl(var(--colour-grey-500));
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: var(--letter-spacing-1);
  font-size: var(--font-size-6);
  margin-block: 1rem 1rem;
}

.product__title {
  font-size: var(--font-size-1);
  line-height: 1.1;
  margin-block-end: 1.5rem;
}

.product__description {
  color: hsl(var(--colour-grey-500));
  line-height: 1.6;
  margin-block-end: 1.5rem;
}

.product__price {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 1.5rem;
}

.product__price>div {
  align-items: center;
}

.product__price-current {
  font-size: var(--font-size-2);
  font-weight: 700;
  margin: 0;
}

.product__price-discount {
  color: hsl(var(--colour-white));
  background-color: hsl(var(--colour-grey-950));
  font-weight: 700;
  padding: 0.25em 0.75em;
  border-radius: 0.25rem;
  margin: 0;
  margin-inline-start: 1rem;
}

.product__price-original {
  color: hsl(var(--colour-grey-300));
  font-weight: 700;
  margin: 0;
}

.product__actions {
  display: grid;
  gap: 1rem;
}

.product__quantity-selector {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: hsl(var(--colour-grey-050));
  padding: var(--space-size-100);
  border-radius: 0.5rem;
}

.product__quantity-selector button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 1rem;
}

.product__quantity-selector button:hover svg {
  opacity: 0.7;
}

.product__quantity-value {
  font-weight: 700;
}

@media (min-width: 64rem) {
  .product {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-size-700);
    align-items: center;
    padding-block: var(--space-size-900);
  }

  .product__gallery-container {
    max-width: 30rem;
  }

  .product .product__nav-button {
    display: none;
  }

  .product__nav-button--next {
    right: -1.5rem;
  }

  .product__nav-button--prev {
    left: -1.5rem;
  }

  .product__gallery {
    display: flex;
    gap: var(--space-size-400);
  }

  .product__gallery button {
    padding: 0;
    border: 3px solid transparent;
    background-color: hsl(var(--colour-white));
    border-radius: 0.75rem;
    overflow: hidden;
    cursor: pointer;
    position: relative;
  }

  .product__gallery button:hover img,
  .product__gallery button[aria-current='true'] img {
    opacity: .5;
  }

  .product__gallery button[aria-current='true'] {
    border-color: hsl(var(--colour-orange-500));
  }

  .product__gallery img {
    transition: opacity 300ms ease-out;
  }

  .product__price {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .product__actions {
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
    align-items: center;
  }
}

@media (max-width: 35rem) {
  .product__main-image {
    margin: 0 -2.5rem;
  }

  .product__main-image img {
    border-radius: 0;
  }
}

.button {
  cursor: pointer;
  border: none;
  border-radius: 0.5rem;
  padding: var(--space-size-200);
  font-weight: 700;
  font-size: var(--font-size-4);
  transition: background-color 300ms ease-out;
}

.button:focus {
  outline: 2px solid hsl(var(--colour-orange-500));
  outline-offset: 2px;
}

.button--primary {
  background-color: hsl(var(--colour-orange-500));
  color: hsl(var(--colour-black));
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 1rem 2rem -0.5rem hsl(var(--colour-orange-300));
}

.button--primary:hover {
  background-color: hsl(var(--colour-orange-300));
}

.lightbox {
  border: none;
  padding: 0;
  background: none;
  overflow: visible;
}

.lightbox::backdrop {
  background-color: hsl(var(--colour-black)/.75);
}

.lightbox__content {
  position: relative;
}

.lightbox__close {
  position: absolute;
  top: -2.5rem;
  right: .25rem;
  background: none;
  border: none;
  color: hsl(var(--colour-white));
  cursor: pointer;
  padding: 0;
}

.lightbox__close:hover {
  color: hsl(var(--colour-orange-500));
}

.lightbox .product__main-image>img {
  cursor: auto;
}

.lightbox__nav-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: hsl(var(--colour-white));
  border: none;
  border-radius: 50%;
  width: 3.5rem;
  height: 3.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__nav-button--prev {
  left: -1.75rem;
}

.lightbox__nav-button--next {
  right: -1.75rem;
}

.lightbox__nav-button:hover {
  color: hsl(var(--colour-orange-500));
}