/* =====================================================
   SITE HEADER & NAVIGATION
   ===================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: transparent;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

/* Scrolled state — glassmorphism on scroll */
.site-header.is-scrolled {
  background-color: rgba(15, 43, 31, 0.82);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 8px 32px rgba(0,0,0,0.28);
  border-bottom: 1px solid rgba(212,160,23,0.12);
}

/* Always opaque on inner pages */
body:not(.is-home) .site-header {
  background-color: rgba(15, 43, 31, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 4px 20px rgba(0,0,0,0.20);
  border-bottom: 1px solid rgba(212,160,23,0.10);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-6);
}

/* --- Logo --- */
.header__logo {
  flex-shrink: 0;
  margin-right: auto;
}

.header__logo a {
  display: flex;
  align-items: center;
}

.header__logo img,
.header__logo .custom-logo {
  height: 52px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  filter: brightness(0) invert(1); /* make logo white on dark header */
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

/* --- Primary Nav --- */
.header__nav {
  display: flex;
  align-items: center;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__menu .menu-item a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.90);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.nav__menu .menu-item a:hover,
.nav__menu .current-menu-item > a,
.nav__menu .current-page-ancestor > a {
  color: var(--color-accent);
  background-color: rgba(255,255,255,0.07);
}

/* Active page underline indicator — uses ::before to avoid conflict
   with the dropdown chevron which occupies ::after */
.nav__menu .current-menu-item > a,
.nav__menu .current-page-ancestor > a {
  position: relative;
}
.nav__menu .current-menu-item > a::before,
.nav__menu .current-page-ancestor > a::before {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  pointer-events: none;
}

/* Dropdown support */
.nav__menu .menu-item-has-children {
  position: relative;
}

.nav__menu .menu-item-has-children > a::after {
  content: ' ▾';
  font-size: 0.65em;
  opacity: 0.7;
}

.nav__menu .sub-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 220px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2) 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  z-index: 100;
}

.nav__menu .menu-item-has-children:hover > .sub-menu,
.nav__menu .menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__menu .sub-menu a {
  color: var(--color-charcoal);
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  border-radius: 0;
}

.nav__menu .sub-menu a:hover {
  color: var(--color-primary);
  background-color: var(--color-cream);
}

/* --- Header CTA --- */
.header__cta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Outline button variant — used for Farmer Login in dark header */
.btn--outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  color: rgba(255, 255, 255, 0.90);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(212, 160, 23, 0.08);
}

/* --- Mobile Toggle --- */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  margin-left: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background-color: rgba(255,255,255,0.1);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.hamburger__line {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Hamburger → X when open */
.mobile-menu-toggle[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =====================================================
   MOBILE NAVIGATION OVERLAY
   ===================================================== */

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--color-primary-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-height) + var(--space-8)) var(--space-6) var(--space-8);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-nav-overlay.is-open {
  transform: translateX(0);
}

.mobile-nav__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.mobile-nav__menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav__menu .menu-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-nav__menu .menu-item a {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  color: var(--color-white);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-nav__menu .menu-item a:hover,
.mobile-nav__menu .current-menu-item > a {
  color: var(--color-accent);
  padding-left: var(--space-4);
}

.mobile-nav__menu .sub-menu {
  list-style: none;
  padding: 0 0 var(--space-2) var(--space-4);
  margin: 0;
}

.mobile-nav__menu .sub-menu a {
  font-size: var(--text-base);
  padding: var(--space-2) 0;
  color: rgba(255,255,255,0.75);
}

.mobile-nav__contact {
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.15);
}

.mobile-nav__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.mobile-nav__phone {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
}

/* =====================================================
   RESPONSIVE BREAKPOINTS
   ===================================================== */

@media (max-width: 1024px) {
  .header__cta { display: none; }
}

.mobile-nav__farmer-login {
  padding-bottom: var(--space-4);
}

@media (max-width: 900px) {
  .header__nav { display: none; }
  .mobile-menu-toggle { display: flex; }
}

@media (min-width: 901px) {
  .mobile-nav-overlay { display: none !important; }
}