:root {
  --page: #f6f6f6;
  --text: #3b3b3b;
  --muted: #8f8f8f;
  --card: #ffffff;
  --chip: #e4e4e4;
  --blue-a: #6db3ff;
  --blue-b: #3b9aff;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--page);
  background-image: radial-gradient(circle at 1px 1px, rgba(59, 59, 59, 0.08) 1px, transparent 0);
  background-size: 16px 16px;
  background-attachment: fixed;
  color: var(--text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

img {
  display: block;
  max-width: 100%;
}

.case-shell {
  display: grid;
  grid-template-columns: 316px minmax(0, 1000px);
  gap: 22px;
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px;
}

.case-page {
  width: min(100%, 1000px);
}

.sidebar {
  position: sticky;
  top: 32px;
  max-height: calc(100vh - 64px);
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
}

.profile {
  min-height: 388px;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.profile__head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.profile__avatar {
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  border-radius: 9px;
  object-fit: cover;
  transition: transform 180ms ease;
}

.profile__avatar:hover {
  transform: scale(1.04);
}

.profile h1,
.profile p {
  margin: 0;
}

.profile h1 {
  color: var(--text);
  font-size: 18px;
  line-height: 1.12;
  font-weight: 600;
}

.profile__head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.12;
}

.profile__copy {
  display: flex;
  flex-direction: column;
  gap: 0;
  color: #444;
  font-size: 18px;
  line-height: 22px;
}

.profile > .chips {
  gap: 6px;
  justify-content: flex-start;
  align-items: stretch;
  margin-top: auto;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 8px;
  border-radius: 10px;
  background: var(--chip);
  color: #6a6a6a;
  font-size: 15px;
  line-height: 20px;
  white-space: nowrap;
}

.profile .chips span {
  padding: 4px 8px;
  border-radius: 12px;
  color: #5e5e5e;
  font-weight: 500;
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  line-height: 22px;
}

.nav-links a {
  width: fit-content;
}

.nav-links--plain {
  gap: 16px;
}

.nav-links--plain a {
  width: fit-content;
  padding: 0;
  border-radius: 10px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0;
  transition: transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1), color 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.nav-links--plain a::before {
  content: "✱";
  position: static;
  display: inline-flex;
  justify-content: center;
  width: 0;
  height: 16px;
  margin-right: 0;
  overflow: hidden;
  color: var(--blue-b);
  font-size: 16px;
  line-height: 16px;
  opacity: 0;
  transform: scale(0.72) rotate(-18deg);
  transition: width 300ms cubic-bezier(0.2, 0.8, 0.2, 1), margin-right 300ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 220ms ease, transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.nav-links--plain a:hover {
  color: #2d86e8;
}

.nav-links--plain a.is-active::before {
  align-items: center;
  justify-content: center;
  width: 16px;
  margin-right: 8px;
  opacity: 1;
  transform: scale(1) rotate(0);
}

.nav-links a,
.download,
.back-link {
  position: relative;
  transition: transform 120ms ease, color 160ms ease, background-color 160ms ease;
}

.nav-links:not(.nav-links--plain) a::after {
  content: none;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--blue-b);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-links:not(.nav-links--plain) a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-links:not(.nav-links--plain) a:hover {
  color: #2d86e8 !important;
}

.nav-links--plain a.is-active {
  transform: translateX(8px);
  color: var(--text);
}

.nav-links a:active,
.download:active,
.back-link:active {
  transform: scale(0.98);
}

.download {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 20px;
  line-height: 22px;
}

.download svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

h2,
p {
  margin: 0;
}

.case-cover {
  position: relative;
  height: 590px;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(127deg, var(--blue-a) 18%, var(--blue-b) 94%);
}

.case-cover__mockup {
  position: absolute;
  left: 50%;
  top: 7.5%;
  width: 45%;
  transform: translateX(-50%);
  filter: drop-shadow(0 18px 30px rgba(34, 79, 140, 0.24));
}

.case-info,
.case-note,
.hypothesis-grid article {
  padding: 40px 20px;
  background: #eeeeee;
}

.case-info,
.case-note {
  margin-top: 8px;
}

.case-info span,
.case-note span,
.hypothesis-grid span,
.next-project span {
  display: block;
  margin-bottom: 8px;
  color: #959595;
  font-size: 19px;
  line-height: 24px;
}

.case-info p,
.case-note p {
  color: #444;
  font-size: 18px;
  line-height: 25px;
}

.hypothesis-grid p,
.next-project strong,
.next-project small {
  color: #444;
  font-size: 17px;
  line-height: 22px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.case-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 10px;
  background: var(--chip);
  color: #6a6a6a;
  font-size: 16px;
  line-height: 20px;
}

.mockup-grid {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.mockup-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mockup-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mockup-card,
.image-card {
  margin: 0;
  display: grid;
  place-items: center;
  min-height: 590px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #eeeeee;
}

.mockup-grid--three .mockup-card {
  min-height: 413px;
}

.mockup-card img,
.image-card img {
  width: min(58%, 285px);
  height: auto;
  filter: drop-shadow(0 16px 26px rgba(30, 45, 70, 0.18));
}

.mockup-grid--three .mockup-card img {
  width: min(72%, 230px);
}

.image-card--wide {
  margin-top: 8px;
  min-height: 520px;
  background: #eeeeee;
}

.image-card--wide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
}

.image-card--empty {
  color: var(--muted);
  font-size: 15px;
  line-height: 20px;
}

.hypothesis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.next-project {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  margin-top: 8px;
  min-height: 124px;
  padding: 40px 20px;
  background: #eeeeee;
}

.next-project span,
.next-project strong {
  grid-column: 1;
}

.next-project small {
  grid-column: 2;
  grid-row: 2;
  align-self: end;
  color: #8f8f8f;
}

.next-project:hover strong {
  color: var(--blue-b);
}

@media (max-width: 1180px) {
  .case-shell {
    grid-template-columns: 280px minmax(0, 1fr);
    padding: 20px;
  }
}

@media (max-width: 980px) {
  .case-shell {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .sidebar {
    position: static;
    width: 100%;
    max-height: none;
    overflow: visible;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile {
    grid-column: 1 / -1;
    min-height: 0;
    gap: 28px;
  }

  .profile__head {
    margin-bottom: 0;
  }

  .case-cover {
    height: auto;
    aspect-ratio: 996 / 589;
  }

  .mockup-grid--three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  body {
    background-attachment: scroll;
    font-size: 16px;
  }

  .case-shell {
    padding: 12px;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .profile__head p,
  .profile h1 {
    font-size: 17px;
  }

  .case-cover__mockup {
    top: 9%;
    width: 48%;
  }

  .mockup-grid--two,
  .mockup-grid--three,
  .hypothesis-grid {
    grid-template-columns: 1fr;
  }

  .mockup-card,
  .image-card {
    min-height: auto;
    aspect-ratio: 494 / 531;
  }

  .mockup-card img,
  .image-card img {
    width: min(68%, 300px);
  }

  .image-card--wide {
    aspect-ratio: 494 / 291;
  }

  .next-project {
    grid-template-columns: 1fr;
  }

  .next-project small {
    grid-column: 1;
    grid-row: auto;
  }
}