/* layout.css — container, header, nav, footer, grids (mirrors main-site layout). */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* TESTNET banner: always first, amber, every page */
.testnet-banner {
  background: var(--amber-tint);
  border-bottom: 1px solid rgba(245, 166, 35, 0.4);
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0.45rem 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(4, 6, 12, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Main-site lockup: 30px mark + wordmark, extended with TESTNET pill */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin-right: auto;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  display: block;
}

.brand-name {
  white-space: nowrap;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-2);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-sm);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

.nav-toggle {
  display: none;
}

main {
  padding: 2rem 0 3.5rem;
  min-height: 60vh;
}

.section {
  margin-bottom: 2rem;
}

.section-head {
  margin-bottom: 1.25rem;
}

.section-head .lead {
  color: var(--text-2);
  max-width: 62ch;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--text-2);
  font-size: 0.88rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: 0.8rem;
}