:root {
  --case-bg: #051937;
  --case-text: rgba(255, 255, 255, 0.82);
  --case-muted: rgb(168, 177, 192);
  --case-accent: #64d2ff;
  --case-line: rgba(255, 255, 255, 0.12);
  --case-panel: rgba(255, 255, 255, 0.05);
}

* {
  box-sizing: border-box;
}

.case-study-body {
  overflow-x: hidden;
  line-height: 1.7;
}

.case-study-body a {
  color: inherit;
}

.case-study-body a:focus-visible {
  outline: 2px solid var(--case-accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: white;
  color: var(--case-bg) !important;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.case-container {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.case-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--case-line);
  background: rgba(5, 25, 55, 0.88);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.case-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 20px;
}

.back-link,
.site-name {
  color: var(--case-text);
  text-decoration: none;
  transition: color 150ms ease;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
}

.back-link span {
  color: var(--case-accent);
  font-size: 1.15em;
  transition: transform 150ms ease;
}

.back-link--icon {
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--case-line);
  border-radius: 50%;
}

.back-link:hover,
.site-name:hover {
  color: white;
}

.back-link:hover span {
  transform: translateX(-3px);
}

.site-name {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
}

.case-hero {
  padding: clamp(52px, 7vw, 88px) 0 64px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 13px;
  color: var(--case-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.case-study-body .case-hero h1 {
  max-width: 17ch;
  margin: 0;
  color: var(--case-text);
  font-size: clamp(2.35rem, 6vw, 5.1rem) !important;
  line-height: 1.05;
  letter-spacing: -0.055em;
  text-align: left;
}

.hero-summary {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--case-muted);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
}

.case-tags {
  max-width: 930px;
  margin-top: 24px;
}

.case-tags li {
  font-size: 0.76rem;
}

.team-context {
  margin: 22px 0 26px;
  padding-top: 18px;
  border-top: 1px solid var(--case-line);
  color: var(--case-muted);
  font-size: 0.75rem;
}

.screenshot-frame {
  width: 100%;
  margin: 0;
  padding: 9px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.065);
  box-shadow: 0 24px 60px rgba(0, 7, 20, 0.32);
}

.screenshot-frame a,
.screenshot-frame img,
.progress-screenshot__viewport {
  display: block;
}

.screenshot-frame a {
  overflow: hidden;
  border-radius: 11px;
  background: white;
}

.screenshot-frame img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.screenshot-frame figcaption {
  padding: 10px 6px 2px;
  color: rgba(192, 201, 214, 0.72);
  font-size: 0.72rem;
}

.progress-screenshot__viewport {
  aspect-ratio: 3.7 / 1;
  overflow: hidden;
}

.progress-screenshot__viewport img {
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.case-section {
  padding: clamp(58px, 7vw, 84px) 0;
  border-top: 1px solid var(--case-line);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.case-study-body h2 {
  margin: 0;
  color: var(--case-text);
  font-size: clamp(1.7rem, 3.5vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.case-study-body h3 {
  margin: 0 0 11px;
  color: var(--case-text);
  font-size: 1.05rem;
  line-height: 1.35;
}

.section-heading > p:last-child,
.summary-grid p {
  color: var(--case-muted);
}

.section-heading > p:last-child {
  max-width: 74ch;
  margin: 16px 0 0;
}

.photo-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: photo-item;
}

.photo-item {
  counter-increment: photo-item;
}

.photo-item + .photo-item {
  margin-top: clamp(58px, 8vw, 88px);
  padding-top: clamp(52px, 7vw, 76px);
  border-top: 1px solid var(--case-line);
}

.photo-copy {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  max-width: 820px;
  margin: 0 0 22px;
  color: var(--case-muted);
}

.photo-copy::before {
  content: "0" counter(photo-item);
  color: var(--case-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.case-study-body code {
  padding: 0.12em 0.35em;
  border: 1px solid rgba(100, 210, 255, 0.22);
  border-radius: 5px;
  background: rgba(100, 210, 255, 0.08);
  color: #9fe5ff;
  font-family: inherit;
  font-size: 0.88em;
  white-space: nowrap;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 6vw, 72px);
}

.summary-grid section {
  padding-top: 20px;
  border-top: 1px solid var(--case-line);
}

.summary-grid p {
  margin: 0;
  font-size: 0.86rem;
}

@media (max-width: 760px) {
  .case-container {
    width: min(100% - 32px, 1120px);
  }

  .case-hero {
    padding-top: 42px;
  }

  .case-study-body .case-hero h1 {
    font-size: clamp(2.1rem, 10.5vw, 3.4rem) !important;
    letter-spacing: -0.045em;
  }

  .progress-screenshot__viewport {
    aspect-ratio: 3 / 1;
  }

  .photo-item + .photo-item {
    margin-top: 52px;
    padding-top: 46px;
  }

  .photo-copy {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 460px) {
  .case-header__inner {
    min-height: 58px;
  }

  .site-name {
    display: none;
  }

  .case-tags {
    gap: 8px;
  }

  .case-tags li {
    padding: 5px 9px;
    font-size: 0.68rem;
  }

  .screenshot-frame {
    padding: 5px;
    border-radius: 13px;
  }

  .screenshot-frame a,
  .screenshot-frame img {
    border-radius: 8px;
  }

  .screenshot-frame figcaption {
    padding-inline: 4px;
    font-size: 0.64rem;
    line-height: 1.55;
  }

  .progress-screenshot__viewport {
    aspect-ratio: 2.6 / 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-study-body {
    scroll-behavior: auto;
  }

  .back-link,
  .site-name,
  .back-link span {
    transition: none;
  }
}