/*
File: assets/css/navbar.css
Purpose: Promo banner, skip link, navbar base styles, and mobile navigation behavior.
Sections: Promo banner, skip link, navbar base, brand, nav links, CTA, toggler, mobile collapse
*/

#promoBanner {
  background: var(--bpss-green);
  color: var(--bpss-white);
  padding: 10px 48px;
  font-size: 14px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px 12px;
  flex-wrap: wrap;
  font-family: var(--font-body);
  position: relative;
  z-index: 1100;
}

#promoBanner a.promo-cta {
  color: var(--bpss-orange-light);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

#promoBanner .promo-close {
  background: none;
  border: none;
  color: var(--bpss-white);
  font-size: 20px;
  cursor: pointer;
  padding: 0 8px;
  opacity: 0.7;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

#promoBanner .promo-close:hover {
  opacity: 1;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--bpss-green);
  color: var(--bpss-white);
  padding: 8px 16px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

.bpss-navbar {
  height: var(--navbar-height);
  padding: 0;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
  animation: navbarSlideDown 0.4s ease forwards;
  background-color: transparent;
}

.bpss-navbar.scrolled {
  background-color: var(--bpss-white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  border-bottom: 1px solid var(--bpss-border);
}

.bpss-navbar .navbar-brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  padding: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--bpss-white);
  transition: color var(--transition-base);
}

.brand-tagline {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bpss-orange);
  transition: color var(--transition-base);
}

.bpss-navbar.scrolled .brand-name {
  color: var(--bpss-text-dark);
}

.bpss-navbar.scrolled .brand-tagline {
  color: var(--bpss-orange);
}

.bpss-navbar .nav-link {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 8px 14px;
  transition: color var(--transition-fast);
  position: relative;
}

.bpss-navbar .nav-link:hover {
  color: var(--bpss-white);
}

.bpss-navbar.scrolled .nav-link {
  color: var(--bpss-text-body);
}

.bpss-navbar.scrolled .nav-link:hover {
  color: var(--bpss-green);
}

.bpss-navbar .nav-link.active {
  color: var(--bpss-white);
}

.bpss-navbar.scrolled .nav-link.active {
  color: var(--bpss-green);
}

.bpss-navbar .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background-color: var(--bpss-orange);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.btn-join-now {
  background-color: var(--bpss-orange);
  color: var(--bpss-white);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 20px;
  border-radius: var(--radius-xs);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.btn-join-now:hover {
  background-color: var(--bpss-orange-light);
  color: var(--bpss-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-orange);
}

.navbar-toggler {
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-xs);
  padding: 6px 10px;
}

.bpss-navbar.scrolled .navbar-toggler {
  border-color: var(--bpss-border);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.bpss-navbar.scrolled .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(13,13,13,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: 2px solid var(--bpss-orange);
}

@media (max-width: 991px) {
  .navbar-collapse {
    background-color: var(--bpss-white);
    border-radius: var(--radius-md);
    margin-top: 12px;
    padding: 8px 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--bpss-border);
  }

  .navbar-collapse .nav-link {
    color: var(--bpss-text-body);
    padding: 12px 20px;
    border-bottom: 1px solid var(--bpss-mid-gray);
    display: block;
    width: 100%;
  }

  .navbar-collapse .nav-link:last-child {
    border-bottom: none;
  }

  .navbar-collapse .nav-link:hover {
    background-color: var(--bpss-green-pale);
    color: var(--bpss-green);
  }

  .navbar-collapse .btn-join-now {
    margin: 12px 20px;
    display: block;
    text-align: center;
    width: calc(100% - 40px);
  }
}