:root {
  --bg-color: #000000;
  --accent-color: #FFD700;
  --text-color: #ffffff;
  --border: #222222;
}

* { box-sizing: border-box; }

html {
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text-color);
  background:
    radial-gradient(800px 300px at 10% 80px, rgba(255, 215, 0, 0.14), transparent 60%),
    radial-gradient(700px 280px at 90% 120px, rgba(255, 255, 255, 0.08), transparent 60%),
    var(--bg-color);
  background-repeat: no-repeat;
}

a { color: inherit; }

nav {
  position: fixed;
  top: 20px;
  z-index: 100;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
}

.menu {
  list-style: none;
  width: max-content;
  min-height: 42px;
  padding: 8px 20px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  backdrop-filter: blur(10px);
  border-radius: 9999px;
  border: 1px solid var(--border);
}

.menu li a {
  color: var(--text-color);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  height: 28px;
  line-height: 1;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 9999px;
  transition: 0.3s ease;
  opacity: 0.6;
}

.menu li a:hover {
  opacity: 1;
  color: var(--accent-color);
}

.menu li a.active {
  opacity: 1;
  color: #000;
  background: var(--accent-color);
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 110px 16px 28px;
}

.hero {
  max-width: 760px;
  margin-bottom: 20px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 10px;
  color: #000;
  background: var(--accent-color);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.72rem;
  font-family: 'Fira Code', monospace;
  font-weight: 600;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.lead {
  margin: 12px 0 0;
  color: #bdbdbd;
  line-height: 1.6;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--border);
  background: #0b0b0b;
  color: #d5d5d5;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.8rem;
  cursor: pointer;
}

.chip:hover {
  color: #fff;
  border-color: #3b3b3b;
}

.chip.active {
  background: var(--accent-color);
  color: #000;
  border-color: transparent;
  font-weight: 700;
}

.counter {
  margin: 0;
  color: #9a9a9a;
  font-size: 0.85rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.case-card {
  grid-column: span 6;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(19, 19, 19, 0.95) 0%, rgba(6, 6, 6, 0.98) 100%);
}

.case-card.hidden {
  display: none;
}

.badge {
  margin: 0 0 8px;
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  color: #000;
  background: #f5df5f;
  border-radius: 999px;
  padding: 6px 10px;
}

.case-card h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.summary {
  margin: 0 0 12px;
  color: #c6c6c6;
  font-size: 0.93rem;
  line-height: 1.6;
}

.kpi-list {
  margin: 0 0 10px;
  padding-left: 18px;
  color: #dfdfdf;
  line-height: 1.5;
}

.kpi-list strong {
  color: var(--accent-color);
}

.stack {
  margin: 0 0 12px;
  color: #a7a7a7;
  font-size: 0.82rem;
  font-family: 'Fira Code', monospace;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  background: var(--accent-color);
  color: #000;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
}

.btn.ghost {
  background: transparent;
  color: var(--text-color);
  border: 1px solid var(--border);
}

.cta-box {
  margin-top: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: rgba(10, 10, 10, 0.82);
}

.cta-box h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  color: var(--accent-color);
}

.cta-box p {
  margin: 0 0 14px;
  color: #c5c5c5;
}

.site-footer {
  text-align: center;
  margin-top: 28px;
  padding-bottom: 26px;
  font-size: 0.78rem;
  color: #9a9a9a;
  opacity: 0.75;
}

@media (max-width: 900px) {
  .case-card {
    grid-column: span 12;
  }
}