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

:root {
  --var-color-architecture: #d80517;
  --var-color-fashion: #f2049f;
  --var-color-food: #03a55c;
  --var-color-landscapes: #19a7f3;
  --var-color-portraits: #f29e02;
}

.container {
  display: flex;
}

.sidebar {
  width: 280px;
  height: 100vh;
  background-color: #000;
  display: flex;
  flex-direction: column;
}
.sidebar .logo {
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 4rem;
}
.sidebar .logo img {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}
.sidebar .navigation {
  color: #fff;
  padding: 20px 10%;
  margin-top: auto;
  margin-bottom: auto;
}
.sidebar .navigation ul {
  list-style: none;
}
.sidebar .navigation ul li {
  width: 100%;
  margin-bottom: 20px;
  padding: 10px 10%;
  border-radius: 5rem;
  text-align: center;
  transition: background-color 0.3s ease;
}
.sidebar .navigation ul li:hover {
  cursor: pointer;
}
.sidebar .navigation ul .selected[data-category=food] {
  background-color: var(--var-color-food);
}
.sidebar .navigation ul .selected[data-category=fashion] {
  background-color: var(--var-color-fashion);
}
.sidebar .navigation ul .selected[data-category=landscapes] {
  background-color: var(--var-color-landscapes);
}
.sidebar .navigation ul .selected[data-category=portraits] {
  background-color: var(--var-color-portraits);
}
.sidebar .navigation ul .selected[data-category=architecture] {
  background-color: var(--var-color-architecture);
}
.sidebar .navigation ul li[data-category=food]:hover, .sidebar .navigation ul li[data-category=food]:focus, .sidebar .navigation ul li[data-category=food].active {
  background-color: var(--var-color-food);
}
.sidebar .navigation ul li[data-category=landscapes]:hover, .sidebar .navigation ul li[data-category=landscapes]:focus, .sidebar .navigation ul li[data-category=landscapes].active {
  background-color: var(--var-color-landscapes);
}
.sidebar .navigation ul li[data-category=portraits]:hover, .sidebar .navigation ul li[data-category=portraits]:focus, .sidebar .navigation ul li[data-category=portraits].active {
  background-color: var(--var-color-portraits);
}
.sidebar .navigation ul li[data-category=architecture]:hover, .sidebar .navigation ul li[data-category=architecture]:focus, .sidebar .navigation ul li[data-category=architecture].active {
  background-color: var(--var-color-architecture);
}
.sidebar .navigation ul li[data-category=fashion]:hover, .sidebar .navigation ul li[data-category=fashion]:focus, .sidebar .navigation ul li[data-category=fashion].active {
  background-color: var(--var-color-fashion);
}
.sidebar .copyright {
  width: 280px;
  color: #fff;
  font-size: 12px;
  text-align: center;
  padding: 20px 0;
}

.content {
  --gallery-height: clamp(120px, 25vh, 260px);
  position: relative;
  width: calc(100% - 280px);
  min-height: 100vh;
  padding-bottom: var(--gallery-height);
}
.content .highlight-image {
  min-height: calc(100vh - var(--gallery-height));
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 2vh, 1.5rem) clamp(1rem, 3vw, 2rem);
}
.content .highlight-image img {
  display: block;
  max-height: calc(100vh - var(--gallery-height) - clamp(1.5rem, 4vh, 3rem));
  max-width: min(92%, 1200px);
  object-fit: contain;
}
.content .image-gallery-wrapper {
  display: flex;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.5rem, 1.5vw, 1rem);
  width: 100%;
  height: var(--gallery-height);
  background-color: #363636;
  padding: 0.75rem clamp(0.75rem, 2vw, 1.4rem);
}
.content .image-gallery-wrapper .image-gallery {
  display: flex;
  align-items: center;
  gap: 2rem;
  overflow-x: auto;
  padding: 8px 0;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
}
.content .image-gallery-wrapper .image-gallery .image-item {
  scroll-snap-align: start;
  height: clamp(80px, 20vh, 200px);
  aspect-ratio: 1/1;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.content .image-gallery-wrapper .image-gallery .image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.content .image-gallery-wrapper .image-gallery .image-item[data-category=architecture] .selected {
  border: 4px solid var(--var-color-architecture);
}
.content .image-gallery-wrapper .image-gallery .image-item[data-category=portraits] .selected {
  border: 4px solid var(--var-color-portraits);
}
.content .image-gallery-wrapper .image-gallery .image-item[data-category=fashion] .selected {
  border: 4px solid var(--var-color-fashion);
}
.content .image-gallery-wrapper .image-gallery .image-item[data-category=landscapes] .selected {
  border: 4px solid var(--var-color-landscapes);
}
.content .image-gallery-wrapper .image-gallery .image-item[data-category=food] .selected {
  border: 4px solid var(--var-color-food);
}
.content .image-gallery-wrapper svg {
  flex: 0 0 clamp(2.5rem, 5vw, 3.25rem);
  width: clamp(2.5rem, 5vw, 3.25rem);
  height: clamp(2.5rem, 5vw, 3.25rem);
  fill: #fff;
  margin: 0;
  cursor: pointer;
}