/* ── The Tally Lab — Shared Navigation ──────────────────────── */
:root {
  --tl-nav-h: 52px;
  --tl-nav-bg: #1c1917;
}

/* Push all page content below the fixed bar */
body {
  padding-top: calc(var(--tl-nav-h) + env(safe-area-inset-top));
}

/* ── Bar structure ───────────────────────────────────────────── */
.tl-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--tl-nav-bg);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 2px 16px rgba(0,0,0,0.3);
  /* safe-area padding so content sits below notch */
  padding-top: env(safe-area-inset-top);
}

.tl-nav-inner {
  height: var(--tl-nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
}

/* ── Logo ────────────────────────────────────────────────────── */
.tl-logo {
  font-family: 'Bebas Neue', cursive;
  font-size: 1.5rem;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: 0.05em;
  line-height: 1;
  flex-shrink: 0;
  white-space: nowrap;
  transition: opacity 0.15s;
}

.tl-logo:hover { opacity: 0.8; }

/* ── Desktop links ───────────────────────────────────────────── */
.tl-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.tl-nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.tl-nav-links a:hover  { color: #fff; background: rgba(255,255,255,0.1); }
.tl-nav-links a.active { color: #fff; background: rgba(255,255,255,0.13); }

/* ── Hamburger button ────────────────────────────────────────── */
.tl-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}

.tl-hamburger:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* Icon swap on open */
.tl-icon-open  { display: block; }
.tl-icon-close { display: none;  }

.tl-nav.menu-open .tl-icon-open  { display: none;  }
.tl-nav.menu-open .tl-icon-close { display: block; }

/* ── Mobile dropdown ─────────────────────────────────────────── */
.tl-mobile-menu {
  display: none;
  flex-direction: column;
  background: #141210;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 4px 0 8px;
}

.tl-nav.menu-open .tl-mobile-menu { display: flex; }

.tl-mobile-menu a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  padding: 13px 20px;
  border-left: 3px solid transparent;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.tl-mobile-menu a:hover  { background: rgba(255,255,255,0.05); color: #fff; }
.tl-mobile-menu a.active { color: #fff; border-left-color: rgba(255,255,255,0.5); }

/* ── Breakpoint: ≤ 560px → hamburger ────────────────────────── */
@media (max-width: 560px) {
  .tl-nav-links { display: none; }
  .tl-hamburger { display: flex; }
}

/* Prevent desktop dropdown from ever showing */
@media (min-width: 561px) {
  .tl-mobile-menu { display: none !important; }
}