/* Records header — slightly darker translucent glass vs #080808 page */

:root {
  --um-header-height: 60px;
  --um-header-lang-size: 12px;
  /* ~#030304 at rest, still shows blur through (~0.14 above true black tint) */
  --um-header-bg: rgba(3, 3, 4, 0.66);
  --um-header-backdrop: blur(16px);
  --um-header-border: rgba(255, 255, 255, 0.045);
  --um-header-fg: #c8c4be;
  --um-header-fg-active: #ffffff;
  --um-header-accent: #eb2a58;
  --um-header-font: 'DM Mono', monospace;
}

.um-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--um-header-height);
  z-index: 1000;
  background: var(--um-header-bg);
  backdrop-filter: var(--um-header-backdrop);
  -webkit-backdrop-filter: var(--um-header-backdrop);
  border-bottom: 1px solid var(--um-header-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  box-sizing: border-box;
}

.um-rec-brand {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--um-header-font);
  font-size: var(--um-header-lang-size);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.um-rec-hub {
  color: var(--um-header-fg);
  text-decoration: none;
  transition: color 0.2s;
}

.um-rec-hub:hover {
  color: #f0ede8;
}

.um-rec-dot {
  color: rgba(200, 196, 190, 0.42);
  user-select: none;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.um-rec-here {
  color: #fff;
  font-weight: 500;
  text-decoration: none;
  font-size: inherit;
  letter-spacing: 0.2em;
  transition: opacity 0.2s;
}

.um-rec-here:hover {
  opacity: 0.92;
}

.um-nav-links {
  display: flex;
  gap: 28px;
}

.um-nav-links a {
  font-family: var(--um-header-font);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--um-header-fg);
  text-decoration: none;
  transition: color 0.2s;
}

.um-nav-links a:hover {
  color: #f0ede8;
}

.um-nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.um-lang-sw {
  display: flex;
  gap: 10px;
  font-family: var(--um-header-font);
  font-size: var(--um-header-lang-size);
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 4px;
  background: #111;
  user-select: none;
}

.um-lang-sw a {
  color: #aaa;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 3px;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.um-lang-sw a.on {
  background-color: #333;
  color: #fff;
  font-weight: 700;
}

.um-lang-sw a:hover:not(.on) {
  background-color: #555;
  color: #fff;
  cursor: pointer;
}

.um-nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--um-header-fg);
  -webkit-tap-highlight-color: transparent;
}

.um-nav-burger span {
  display: block;
  height: 2px;
  width: 22px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.um-header.is-open .um-nav-burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.um-header.is-open .um-nav-burger span:nth-child(2) {
  opacity: 0;
}

.um-header.is-open .um-nav-burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.um-nav-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  padding: 8px 20px 20px;
  background: var(--um-header-bg);
  backdrop-filter: var(--um-header-backdrop);
  -webkit-backdrop-filter: var(--um-header-backdrop);
  border-bottom: 1px solid var(--um-header-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  z-index: 220;
}

.um-nav-drawer a {
  font-family: var(--um-header-font);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--um-header-fg);
  text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--um-header-border);
  transition: color 0.2s;
}

.um-nav-drawer a:last-child {
  border-bottom: none;
}

.um-header.is-open .um-nav-drawer {
  display: flex;
}

.um-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--um-header-height);
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  border: none;
  cursor: pointer;
}

.um-header.is-open ~ .um-nav-overlay {
  display: block;
}

@media (max-width: 900px) {
  .um-header {
    padding: 0 20px;
  }
  .um-nav-links {
    display: none;
  }
  .um-nav-burger {
    display: flex;
  }
  .um-rec-brand {
    flex: 1 1 auto;
    min-width: 0;
    max-width: none;
  }
}