:root {
  --bg: #071a1f;
  --panel: #0b242a;
  --panel-soft: rgba(255, 255, 255, 0.025);
  --text: #edf8f6;
  --muted: #afc8c6;
  --faint: #7fa09d;
  --accent: #51e2cd;
  --line: rgba(154, 241, 228, 0.18);
  --max: 1080px;
  --display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font: 700 17px/1.1 var(--display);
}

.brand:hover {
  color: var(--accent);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--accent);
  font-size: 13px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
}

.section-pad {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 0;
}

.case-hero {
  padding-top: 64px;
  padding-bottom: 54px;
  border-bottom: 1px solid var(--line);
}

.back-link {
  display: inline-block;
  margin-bottom: 30px;
  font-size: 14px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font: 600 13px/1.3 var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--display);
}

h1 {
  max-width: 930px;
  margin: 0;
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.case-hero > p:last-child {
  max-width: 850px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.case-visual {
  max-width: var(--max);
  margin: 34px auto 0;
  padding: 0 24px;
  overflow: hidden;
  isolation: isolate;
}

.case-visual img {
  display: block;
  width: 100%;
  height: clamp(280px, 48vw, 560px);
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #06191e;
}

.case-visual figcaption {
  position: relative;
  z-index: 1;
  margin-top: 10px;
  color: var(--faint);
  font-size: 13px;
}

.case-layout {
  position: relative;
  clear: both;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(240px, 0.34fr) minmax(0, 0.66fr);
  gap: 28px;
  padding-bottom: 76px;
}

.case-sidebar {
  align-self: start;
  position: static;
}

.case-panel {
  margin-bottom: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft);
}

.case-panel h2,
.case-panel h3 {
  margin: 0 0 10px;
  line-height: 1.25;
}

.case-panel h2 {
  font-size: 21px;
}

.case-panel h3 {
  font-size: 17px;
}

.case-panel p {
  margin: 0;
  color: var(--muted);
}

.case-panel p + p {
  margin-top: 12px;
}

.case-panel strong {
  color: var(--text);
}

.mini-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.mini-list li {
  position: relative;
  padding: 9px 11px 9px 28px;
  border: 1px solid rgba(154, 241, 228, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.018);
  font-size: 14px;
  line-height: 1.45;
}

.mini-list li::before {
  position: absolute;
  top: 16px;
  left: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(81, 226, 205, 0.09);
  content: "";
}

.repo-link {
  display: inline-block;
  margin-top: 18px;
  font-weight: 600;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    padding: 22px 18px 16px;
  }

  .nav-links {
    justify-content: flex-end;
    gap: 10px 13px;
  }

  .section-pad,
  .case-visual {
    padding-right: 18px;
    padding-left: 18px;
  }

  .case-hero {
    padding-top: 44px;
    padding-bottom: 42px;
  }

  .case-layout {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-bottom: 54px;
  }

  .case-visual img {
    height: clamp(240px, 68vw, 420px);
  }

  .case-sidebar {
    position: static;
  }
}

@media (max-width: 520px) {
  .site-header {
    display: block;
  }

  .nav-links {
    margin-top: 16px;
    justify-content: flex-start;
  }

  .brand-mark {
    display: none;
  }
}