/* Header styles for Brand Orbit Studio Lounge */

.bosl-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(6, 7, 11, 0.95), rgba(6, 7, 11, 0.85));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.bosl-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Brand / logo */
.bosl-header__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.bosl-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.bosl-header__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffdf9a 0, var(--color-primary) 45%, #6b4b1a 100%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25), 0 10px 30px rgba(0, 0, 0, 0.7);
  position: relative;
}

.bosl-header__logo-mark::after {
  content: "B";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: #05060a;
}

.bosl-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.bosl-header__logo-main {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bosl-header__logo-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Search */
.bosl-header__search {
  flex: 1 1 auto;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.bosl-header__search-input {
  min-width: 0;
}

.bosl-header__search-btn {
  padding-inline: 0.9rem;
  height: 42px;
}

.bosl-header__search-btn i {
  font-size: 0.9rem;
}

/* Navigation */
.bosl-header__nav {
  flex-shrink: 0;
}

.bosl-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.bosl-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.bosl-header__nav-link::after {
  bottom: -0.55rem;
}

.bosl-header__nav-link:hover,
.bosl-header__nav-link:focus-visible {
  color: #ffffff;
}

.bosl-header__nav-item--cta .bosl-header__nav-link--cta {
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(228, 184, 104, 0.7);
  background: radial-gradient(circle at top, rgba(228, 184, 104, 0.16), rgba(16, 18, 26, 0.95));
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
  color: #ffffff;
}

.bosl-header__nav-item--cta .bosl-header__nav-link--cta::after {
  display: none;
}

.bosl-header__nav-item--cta .bosl-header__nav-link--cta:hover,
.bosl-header__nav-item--cta .bosl-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, var(--color-primary), #ffdf9a);
  color: #05060a;
}

/* Mobile toggle */
.bosl-header__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 6, 10, 0.9);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.bosl-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
  transition: transform var(--transition-base), opacity var(--transition-base), translate var(--transition-base);
}

.bosl-header__toggle[aria-expanded="true"] .bosl-header__toggle-bar:nth-child(1) {
  transform: rotate(45deg);
  translate: 0 5px;
}

.bosl-header__toggle[aria-expanded="true"] .bosl-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.bosl-header__toggle[aria-expanded="true"] .bosl-header__toggle-bar:nth-child(3) {
  transform: rotate(-45deg);
  translate: 0 -5px;
}

/* Mobile / tablet layout */
@media (max-width: 960px) {
  .bosl-header__inner {
    gap: var(--space-3);
  }

  .bosl-header__search {
    display: none;
  }

  .bosl-header__toggle {
    display: inline-flex;
  }

  .bosl-header__nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 60px;
    background: radial-gradient(circle at top, #151828 0, #05060a 55%, #000000 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .bosl-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
    gap: var(--space-3);
  }

  .bosl-header__nav-link {
    font-size: 0.95rem;
  }

  .bosl-header--nav-open .bosl-header__nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 600px) {
  .bosl-header__logo-main {
    font-size: 0.95rem;
  }

  .bosl-header__logo-sub {
    font-size: 0.7rem;
  }
}

/* Desktop refinements */
@media (min-width: 961px) {
  .bosl-header__nav-list {
    gap: var(--space-5);
  }
}