:root {
  --paper: #EDEAE3;
  --paper-2: #E3DFD6;
  --ink: #0E0E0E;
  --ink-2: #1A1A19;
  --muted: #55524C;
  --muted-dark: #A8A39A;
  --line: rgba(14, 14, 14, 0.14);
  --line-dark: rgba(237, 234, 227, 0.16);
  --accent: #FF3B1F;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --pad: clamp(1.25rem, 4vw, 4rem);
  --display: "Archivo", system-ui, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.mono { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.serif { font-family: var(--serif); font-style: italic; font-weight: 400; }
.wrap { padding-inline: var(--pad); }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(237, 234, 227, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.logo img { width: auto; height: 30px; max-width: none; flex: 0 0 auto; object-fit: contain; }
.case-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.case-links a {
  position: relative;
  font-size: .92rem;
  font-weight: 500;
  color: var(--ink);
}
.case-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.case-links a:hover::after { transform: scaleX(1); }
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
  overflow: hidden;
  transition: color .45s var(--ease), border-color .45s ease, background .45s ease;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateY(101%);
  transition: transform .55s var(--ease);
  z-index: 0;
}
.btn:hover::before { transform: translateY(0); }
.btn > * { position: relative; z-index: 1; }
.btn:hover { border-color: var(--accent); }
.btn.ghost {
  background: transparent;
  color: var(--ink);
}
.btn.ghost:hover { color: var(--paper); }
.btn.pdf { display: none; }
.btn.pdf.visible { display: inline-flex; }

.case-study {
  padding: clamp(2.5rem, 6vw, 5rem) var(--pad) 5rem;
}
.case-hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(1.8rem, 5vw, 4rem);
  align-items: center;
  padding: 2rem 0 1rem;
}
.case-kicker {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--muted);
}
.case-hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 6.3rem);
  line-height: .92;
  letter-spacing: -0.05em;
  font-weight: 800;
  font-stretch: 118%;
}
.case-hero h1 .serif {
  color: var(--accent);
  font-size: 1.05em;
}
.lede {
  max-width: 38rem;
  margin-top: 1.3rem;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.45vw, 1.22rem);
}
.case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.75rem;
}
.case-hero-visual {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--ink);
  aspect-ratio: 16 / 10;
  box-shadow: 0 18px 50px rgba(14,14,14,.12);
}
.case-hero-visual img {
  width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05) brightness(.75);
}
.case-hero-showcase {
  position: relative;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
}
.case-hero-showcase img {
  object-fit: contain;
  filter: none;
}
.case-hero-showcase::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(14,14,14,.24);
  pointer-events: none;
}
.case-hero-showcase-content {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  justify-items: center;
  align-content: end;
  gap: .75rem;
  padding: 1.2rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  pointer-events: none;
}
.case-hero-showcase-play {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  display: grid;
  width: 4.25rem;
  height: 4.25rem;
  place-items: center;
  border: 1px solid rgba(255,255,255,.85);
  border-radius: 50%;
  background: rgba(14,14,14,.58);
  transition: transform .3s var(--ease), background .3s ease;
}
.case-hero-showcase-play svg {
  width: 1.2rem;
  height: 1.2rem;
  margin-left: .15rem;
}
a.case-hero-showcase:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
a.case-hero-showcase:hover .case-hero-showcase-play,
a.case-hero-showcase:focus-visible .case-hero-showcase-play {
  transform: translate(-50%, -50%) scale(1.08);
  background: var(--accent);
}
.case-tag {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: .55rem .75rem;
  border-radius: 999px;
  background: rgba(14,14,14,.58);
  color: var(--paper);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: .72rem;
}

.case-sections { display: grid; gap: 1.4rem; margin-top: 2.5rem; }
.case-section {
  border-top: 1px solid var(--line);
  padding-top: 1.6rem;
}
.case-section h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}
.case-section p,
.case-section li {
  color: var(--muted);
  font-size: 1rem;
}
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 5vw, 3rem);
}
.case-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}
.case-grid li { position: relative; padding-left: 1.1rem; }
.case-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: .5rem;
  height: 1px;
  background: var(--ink);
}
.case-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}
.kpi {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1rem 1.1rem;
  background: rgba(255,255,255,0.12);
}
.kpi strong {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  letter-spacing: -0.05em;
}
.kpi span {
  color: var(--muted);
  font-size: .8rem;
}
.work-samples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.sample {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255,255,255,0.1);
}
.sample img {
  width: 100%; height: 220px; object-fit: cover; filter: grayscale(1) contrast(1.05);
}
.sample img.original-colour { filter: none; }
.sample .meta { padding: 1rem; }
.sample h3 {
  margin: 0 0 .4rem;
  font-size: 1.08rem;
  letter-spacing: -0.03em;
}
.sample p { margin: 0; color: var(--muted); }

.youtube-thumbnail {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #0E0E0E;
  color: #fff;
}
.youtube-thumbnail img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.youtube-thumbnail-content {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: .65rem;
  text-align: center;
}
.youtube-play {
  display: grid;
  width: 4rem;
  height: 4rem;
  place-items: center;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 50%;
  background: rgba(14,14,14,.72);
  transition: transform .3s var(--ease), background .3s ease;
}
.youtube-play svg { width: 1.15rem; height: 1.15rem; margin-left: .15rem; }
.youtube-label {
  padding: .4rem .7rem;
  border-radius: 999px;
  background: rgba(14,14,14,.78);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.youtube-thumbnail:hover .youtube-play,
.youtube-thumbnail:focus-visible .youtube-play {
  transform: scale(1.08);
  background: var(--accent);
}
.youtube-thumbnail:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.case-footer {
  margin-top: 3.5rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.case-footer p { margin: 0; color: var(--muted); }

@media (max-width: 860px) {
  .case-links { display: none; }
  .case-hero, .case-grid { grid-template-columns: 1fr; }
  .nav-inner { min-height: 62px; }
  .case-actions { gap: .6rem; }
  .btn { width: 100%; }
  .case-footer { align-items: flex-start; }
}