/**
 * Doctiva Header Styles
 * Logo integration + Navigation
 */

/* === HEADER STICKY GLASSY === */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky, 50);
  backdrop-filter: saturate(1.2) blur(10px);
  background: rgba(255, 255, 255, .75);
  border-bottom: 1px solid rgba(15, 23, 42, .06);
  transition: var(--transition);
}

.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  gap: 2rem;
}

/* === LOGO === */
.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo {
  height: 44px;
  width: auto;
  display: block;
  /* Prevent CLS with explicit dimensions */
  aspect-ratio: 878 / 223;
}

/* Mobile logo */
@media (max-width: 768px) {
  .site-logo {
    height: 36px;
  }
  
  .site-header__inner {
    min-height: 64px;
  }
}

/* === NAVIGATION === */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1;
}

.site-nav__primary {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__primary a {
  color: var(--ink-900);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-body);
  transition: var(--transition);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  min-height: 44px;
  display: flex;
  align-items: center;
  position: relative;
}

.site-nav__primary a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: currentColor;
  opacity: 0;
  transform: translateY(4px);
  transition: .25s;
}

.site-nav__primary a:hover,
.site-nav__primary a:focus {
  color: var(--brand-600);
  background: var(--bg-50);
}

.site-nav__primary a:hover::after {
  opacity: .35;
  transform: translateY(0);
}

.site-nav__primary .current-menu-item a,
.site-nav__primary .current_page_item a {
  color: var(--brand-600);
  font-weight: 600;
}

/* === ACTIONS (Right side) === */
.site-header__actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.site-header__link {
  color: var(--ink-600);
  text-decoration: none;
  font-size: var(--fs-body);
  white-space: nowrap;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.site-header__link:hover {
  color: var(--brand-600);
  background: var(--bg-50);
}

.site-header__link--accent {
  color: var(--accent-500);
  font-weight: 500;
}

.site-header__link--accent:hover {
  color: var(--brand-600);
}

/* Button styles for header CTA */
.header-cta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.header-cta .btn--ghost {
  height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(37, 99, 235, .25);
  color: var(--brand-600);
  background: transparent;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-md, 12px);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  white-space: nowrap;
}

.header-cta .btn--ghost:hover {
  border-color: var(--brand-600);
  background: rgba(37, 99, 235, .05);
}

/* === MOBILE MENU === */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--ink-900);
}

/* Mobile CTA - hidden on desktop */
.site-nav__mobile-cta {
  display: none;
}

@media (max-width: 968px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Hide header CTA on mobile (will be in mobile menu) */
  .header-cta {
    display: none;
  }
  
  .site-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    height: calc(100vh - 64px);
    height: calc(100dvh - 64px); /* Dynamic viewport height for mobile browsers */
    background: var(--card);
    flex-direction: column;
    align-items: stretch;
    padding: 2rem 1.5rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    box-shadow: var(--shadow-lg);
    z-index: 999;
    visibility: hidden;
  }
  
  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }
  
  .site-nav__primary {
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }
  
  .site-nav__primary a {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
  }
  
  .site-nav__primary a:hover {
    background: var(--bg-50);
  }
  
  /* Show mobile CTA in nav */
  .site-nav__mobile-cta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--bg-100);
  }
  
  .site-header__actions {
    flex-direction: column;
    width: 100%;
    border-top: 1px solid var(--bg-100);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
  }
  
  .site-header__link {
    width: 100%;
    justify-content: center;
    padding: 1rem;
  }
  
  /* Prevent horizontal scroll on body */
  body {
    overflow-x: hidden;
  }
  
  body.mobile-menu-open {
    overflow: hidden;
  }
}