:root {
  --ink: #172b3f;
  --muted: #647180;
  --gold: #9d7a31;
  --line: rgba(23,43,63,.12);
  --paper: #f7f6f2;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% 10%, rgba(236,222,197,.58), transparent 26%),
    radial-gradient(circle at 92% 12%, rgba(211,231,242,.7), transparent 30%),
    var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, sans-serif;
}
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }

.topbar {
  position: fixed;
  z-index: 50;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
}
.nav-glass {
  display: flex;
  position: relative;
  isolation: isolate;
  gap: 5px;
  padding: 6px;
  border: 1px solid rgba(255,255,255,.46);
  border-radius: 999px;
  background:
    radial-gradient(circle at 16% 0%, rgba(255,255,255,.62), transparent 36%),
    linear-gradient(135deg, rgba(255,255,255,.32), rgba(255,255,255,.12));
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,.78),
    inset 0 -1px 1px rgba(255,255,255,.2),
    0 18px 46px rgba(26,33,42,.1);
  -webkit-backdrop-filter: blur(34px) saturate(1.85);
  backdrop-filter: blur(34px) saturate(1.85);
}
.nav-glass::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,0) 52%);
  pointer-events: none;
}
.nav-glass a {
  position: relative;
  z-index: 1;
  padding: 11px 19px;
  border-radius: 999px;
  color: rgba(22,39,57,.88);
  font-size: 12px;
  font-weight: 800;
}
.nav-glass a:hover { background: rgba(255,255,255,.2); }
.nav-glass a.active {
  color: #172b3f;
  background:
    radial-gradient(circle at 28% 0%, rgba(255,255,255,.72), transparent 48%),
    linear-gradient(135deg, rgba(255,255,255,.48), rgba(255,255,255,.22));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), inset 0 -1px 0 rgba(255,255,255,.28), 0 8px 22px rgba(31,36,43,.065);
}

.case-shell,
.case-hero,
.case-nav,
.project-back,
footer {
  width: min(1240px, calc(100% - 56px));
  margin-left: auto;
  margin-right: auto;
}

main {
  position: relative;
}

.project-back {
  position: absolute;
  z-index: 8;
  top: 94px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.project-back a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 0 16px;
  pointer-events: auto;
  border: 1px solid rgba(255,255,255,.58);
  border-radius: 999px;
  background:
    radial-gradient(circle at 18% 0%, rgba(255,255,255,.72), transparent 42%),
    linear-gradient(135deg, rgba(255,255,255,.42), rgba(255,255,255,.18));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.86),
    inset 0 -1px 0 rgba(255,255,255,.26),
    0 16px 36px rgba(31,36,43,.08);
  -webkit-backdrop-filter: blur(28px) saturate(1.7);
  backdrop-filter: blur(28px) saturate(1.7);
  color: rgba(22,39,57,.88);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .02em;
}
.project-back a:hover {
  background:
    radial-gradient(circle at 18% 0%, rgba(255,255,255,.84), transparent 46%),
    linear-gradient(135deg, rgba(255,255,255,.56), rgba(255,255,255,.24));
}

.case-hero {
  min-height: 760px;
  padding: 132px 0 70px;
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
}
.eyebrow {
  margin: 0 0 22px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.case-copy h1 {
  max-width: 620px;
  margin: 0 0 26px;
  color: #111;
  font-family: "Playfair Display", serif;
  font-size: clamp(60px, 7.2vw, 112px);
  font-weight: 500;
  line-height: .88;
  letter-spacing: -.072em;
}
.case-copy > p {
  max-width: 560px;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}
.meta-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 26px;
  background: rgba(255,255,255,.42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 18px 42px rgba(31,36,43,.07);
  -webkit-backdrop-filter: blur(24px) saturate(1.25);
  backdrop-filter: blur(24px) saturate(1.25);
}
.meta-card div {
  padding: 20px 18px;
  border-right: 1px solid rgba(23,43,63,.08);
}
.meta-card div:last-child { border-right: 0; }
.meta-card span {
  display: block;
  margin-bottom: 9px;
  color: var(--gold);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.meta-card strong {
  display: block;
  font-size: 13px;
  line-height: 1.35;
}
.hero-visual {
  position: relative;
  padding: clamp(12px, 1.4vw, 18px);
  border: 1px solid rgba(255,255,255,.86);
  border-radius: 42px;
  background: linear-gradient(145deg, rgba(255,255,255,.76), rgba(235,243,247,.42));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.96), 0 30px 80px rgba(31,36,43,.12);
  -webkit-backdrop-filter: blur(26px) saturate(1.2);
  backdrop-filter: blur(26px) saturate(1.2);
}
.hero-visual img {
  aspect-ratio: 1.28;
  object-fit: contain;
  border-radius: 30px;
  background: rgba(255,255,255,.8);
}
.hero-visual.contain-hero img {
  object-fit: contain;
  padding: 4%;
  background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(232,240,245,.62));
}
.hero-visual.contain-wide img {
  aspect-ratio: 1.75;
  object-fit: contain;
  object-position: center;
  padding: 0;
}
.hero-visual.dark-hero img {
  background: #071017;
}

.overview {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(32px, 6vw, 92px);
  margin-bottom: 88px;
  padding: clamp(34px, 5vw, 66px);
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 38px;
  background: rgba(255,255,255,.42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 24px 60px rgba(31,36,43,.075);
  -webkit-backdrop-filter: blur(24px) saturate(1.15);
  backdrop-filter: blur(24px) saturate(1.15);
}
.overview h2 {
  margin: 0;
  color: #111;
  font-size: clamp(38px, 4.6vw, 70px);
  line-height: .98;
  letter-spacing: -.062em;
}
.overview p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}
.overview p:last-child { margin-bottom: 0; }

.gallery {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto 86px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.gallery figure {
  position: relative;
  grid-column: span 6;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(23,43,63,.08);
  border-radius: 28px;
  background: rgba(255,255,255,.64);
  box-shadow: 0 22px 58px rgba(31,36,43,.09);
}
.gallery figure.wide { grid-column: 1 / -1; }
.gallery figure.portrait { grid-column: span 4; }
.gallery img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: contain;
  background:
    radial-gradient(circle at 50% 12%, rgba(255,255,255,.82), transparent 44%),
    linear-gradient(145deg, rgba(255,255,255,.72), rgba(239,244,247,.46));
}
.gallery figure.product img {
  box-sizing: border-box;
  object-fit: contain;
  object-position: center;
  padding: 7%;
  background: linear-gradient(145deg, rgba(255,255,255,.94), rgba(236,242,245,.58));
  mix-blend-mode: multiply;
}
.gallery figure.brand-split {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e3e4e4;
}
.gallery figure.brand-split img {
  height: auto;
  min-height: 0;
  object-fit: contain;
}

.case-nav {
  margin-bottom: 54px;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #5f6b77;
  font-size: 13px;
  font-weight: 850;
}
.case-nav a {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}
footer {
  margin-bottom: 30px;
  color: #87909a;
  font-size: 12px;
}

@media (max-width: 900px) {
  .case-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 112px;
  }
  .overview {
    grid-template-columns: 1fr;
  }
  .meta-card {
    grid-template-columns: 1fr;
  }
  .meta-card div {
    border-right: 0;
    border-bottom: 1px solid rgba(23,43,63,.08);
  }
  .meta-card div:last-child { border-bottom: 0; }
  .gallery figure,
  .gallery figure.portrait {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .topbar { top: 14px; }
  .nav-glass { gap: 0; padding: 5px; }
  .nav-glass a { padding: 10px 10px; font-size: 10px; }
  .case-shell,
  .case-hero,
  .case-nav,
  .project-back,
  footer { width: calc(100% - 28px); }
  .project-back { top: 72px; }
  .case-copy h1 { font-size: clamp(52px, 16vw, 76px); }
  .case-copy > p,
  .overview p { font-size: 16px; }
  .hero-visual,
  .overview { border-radius: 28px; }
  .hero-visual img { border-radius: 20px; }
  .gallery { width: calc(100% - 28px); }
  .gallery img { min-height: 310px; }
  .case-nav { flex-direction: column; }
}