:root {
  --ink: #151515;
  --paper: #070909;
  --paper-deep: #0e1111;
  --white: #fffdf8;
  --muted: rgba(255, 253, 248, 0.7);
  --gold: #d6b276;
  --line: rgba(255, 253, 248, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(214, 178, 118, 0.075), transparent 28rem),
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 64px 64px, 64px 64px, auto;
  color: var(--white);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 9, 0.92);
  backdrop-filter: blur(16px);
}

.case-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 400;
  font-family: "Space Grotesk", Inter, sans-serif;
}

.case-brand img {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(214, 178, 118, 0.28);
  border-radius: 4px;
  object-fit: cover;
}

.case-brand strong {
  color: var(--gold);
}

.back-link {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  transition: color 180ms ease;
}

.back-link:hover {
  color: var(--gold);
}

.case-main {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.case-hero {
  padding: clamp(72px, 9vw, 120px) 0 clamp(44px, 6vw, 76px);
  text-align: center;
}

.case-kicker,
.section-label {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.case-hero h1 {
  max-width: 900px;
  margin: 0 auto 20px;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: clamp(2.5rem, 6vw, 5.7rem);
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.case-summary {
  max-width: 650px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.hero-video {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  border-color: rgba(214, 178, 118, 0.28);
  border-radius: 14px;
  background: #090c0c;
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-note {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 17, 17, 0.84);
  color: var(--muted);
  font-size: 0.75rem;
  pointer-events: none;
}

.case-section {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 96px);
  padding: clamp(64px, 8vw, 104px) 0;
  border-bottom: 1px solid var(--line);
}

.case-section h2 {
  margin: 0;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 3.4rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.case-copy {
  max-width: 690px;
}

.case-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.case-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-list li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), transparent), var(--paper-deep);
  color: var(--muted);
}

.case-list li::before {
  margin-right: 9px;
  color: var(--gold);
  content: "•";
}

.case-cta {
  margin: clamp(72px, 10vw, 132px) 0;
  padding: clamp(52px, 8vw, 90px) 24px;
  border: 1px solid rgba(214, 178, 118, 0.35);
  border-radius: 14px;
  background: radial-gradient(circle at 50% 0%, rgba(214, 178, 118, 0.14), transparent 22rem), var(--paper-deep);
  text-align: center;
}

.case-cta h2 {
  max-width: 720px;
  margin: 0 auto 18px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.05;
  font-family: "Space Grotesk", Inter, sans-serif;
  letter-spacing: -0.05em;
}

.case-cta p {
  margin: 0 auto 28px;
  color: var(--muted);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 6px;
  background: var(--gold);
  color: var(--ink);
  font-weight: 800;
  transition: transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.case-footer {
  display: flex;
  justify-content: space-between;
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.case-footer strong {
  color: var(--gold);
}

@media (max-width: 720px) {
  .case-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .case-list {
    grid-template-columns: 1fr;
  }

  .video-note {
    right: 10px;
    bottom: 10px;
  }
}