/* ── Briefly Global Nav ──────────────────────────────────────────────────
   Sticky brand-anchor header shared across all public + app surfaces.
   Context-aware: public routes show "Start free", authed routes show "Open app".
   Mobile: hamburger menu, wordmark + CTA always visible.
   Does NOT own page-level layout — only the 64px/56px header strip.
──────────────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&display=swap');

/* ── Variables (fall back to inline values if theme.css vars not loaded) ── */
:root {
  --nav-bg: rgba(8, 8, 15, 0.94);
  --nav-border: rgba(255,255,255,0.07);
  --nav-border-scroll: rgba(255,255,255,0.12);
  --nav-shadow: 0 1px 32px rgba(0,0,0,0.5);
  --nav-text: #a1a1b0;
  --nav-text-hover: #f0f0f5;
  --nav-logo-color: #f4f4f5;
  --nav-accent: #7c6aff;
  --nav-accent-hover: #9a8aff;
  --nav-height-desktop: 64px;
  --nav-height-mobile: 56px;
  --nav-z: 9999;
}

/* ── Base ── */
.brf-nav {
  position: sticky;
  top: 0;
  z-index: var(--nav-z);
  height: var(--nav-height-desktop);
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--nav-border);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 0;
}

/* Shadow on scroll — toggled via JS adding .scrolled class to <body> */
body.scrolled .brf-nav {
  border-color: var(--nav-border-scroll);
  box-shadow: var(--nav-shadow);
}

/* ── Inner layout ── */
.brf-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}

/* ── Wordmark ── */
.brf-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--nav-logo-color);
  flex-shrink: 0;
  transition: opacity 0.15s;
}
.brf-nav-logo:hover { opacity: 0.85; }

.brf-nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--nav-accent);
  box-shadow: 0 0 10px var(--nav-accent);
  flex-shrink: 0;
}

/* ── Center nav links ── */
.brf-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.brf-nav-links a {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--nav-text);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.brf-nav-links a:hover {
  color: var(--nav-text-hover);
  background: rgba(255,255,255,0.05);
}
.brf-nav-links a.active {
  color: var(--nav-text-hover);
}

/* ── For Teams link — highlighted ── */
.brf-nav-teams-link {
  color: var(--nav-accent) !important;
  font-weight: 600 !important;
}
.brf-nav-teams-link:hover {
  color: var(--nav-accent-hover) !important;
  background: rgba(124, 106, 255, 0.08) !important;
}

/* ── Right side ── */
.brf-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ── Primary CTA button ── */
.brf-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--nav-accent);
  padding: 8px 18px;
  border-radius: 7px;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
}
.brf-nav-cta:hover {
  background: var(--nav-accent-hover);
  transform: translateY(-1px);
}
.brf-nav-cta:active {
  transform: translateY(0);
}

/* ── Hamburger (mobile only) ── */
.brf-nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: background 0.15s;
}
.brf-nav-hamburger:hover { background: rgba(255,255,255,0.07); }

.brf-nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--nav-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease, width 0.2s ease;
}

/* Open state */
.brf-nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.brf-nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.brf-nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile drawer ── */
.brf-nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-height-mobile);
  left: 0;
  right: 0;
  background: rgba(8,8,15,0.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--nav-border);
  padding: 16px 24px 24px;
  z-index: calc(var(--nav-z) - 1);
  flex-direction: column;
  gap: 4px;
  animation: navDrawerSlide 0.18s ease;
}
.brf-nav-drawer.open { display: flex; }

@keyframes navDrawerSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.brf-nav-drawer a {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--nav-text);
  text-decoration: none;
  padding: 11px 12px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.brf-nav-drawer a:hover {
  color: var(--nav-text-hover);
  background: rgba(255,255,255,0.06);
}
.brf-nav-drawer a.brf-nav-cta {
  margin-top: 8px;
  justify-content: center;
  font-size: 15px;
  padding: 12px 18px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .brf-nav {
    height: var(--nav-height-mobile);
    padding: 0 18px;
  }
  .brf-nav-links {
    display: none;
  }
  .brf-nav-right .brf-nav-cta {
    font-size: 12px;
    padding: 7px 14px;
  }
  .brf-nav-hamburger {
    display: flex;
  }
}

/* ── Scroll shadow init ── */
