/* ==========================================================================
   System Rainbow - Header & Footer
   ========================================================================== */

/* --- Header --- */
.sr-header {
  position: sticky;
  top: 0;
  z-index: var(--sr-z-sticky);
  background: var(--sr-white);
  box-shadow: var(--sr-shadow-sm);
}

.sr-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--sr-container-wide);
  margin: 0 auto;
  padding: 12px 30px;
  gap: 20px;
}

/* Logo */
.sr-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.sr-header__logo img {
  width: 140px;
  height: auto;
  display: block;
}

.sr-header__site-name {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-xl);
  font-weight: var(--sr-font-weight-bold);
  color: var(--sr-dark);
}

/* Navigation */
.sr-header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.sr-header__menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 8px;
}

.sr-header__menu li {
  position: relative;
}

.sr-header__menu li a {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-sm);
  font-weight: var(--sr-font-weight-semibold);
  color: var(--sr-dark);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--sr-radius-sm);
  transition: color var(--sr-transition-fast), background var(--sr-transition-fast);
  white-space: nowrap;
}

.sr-header__menu li a:hover,
.sr-header__menu li.current-menu-item a {
  color: var(--sr-primary);
  background: var(--sr-primary-light);
}

/* --- Dropdown Submenus --- */
.sr-header__menu li .sub-menu {
  display: none !important;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--sr-white);
  box-shadow: var(--sr-shadow-lg);
  border-radius: var(--sr-radius-md);
  padding: var(--sr-space-sm) 0;
  z-index: var(--sr-z-dropdown);
  list-style: none !important;
  margin: 4px 0 0;
  border: 1px solid var(--sr-gray-200);
}

.sr-header__menu li:hover > .sub-menu {
  display: block !important;
}

.sr-header__menu li .sub-menu li {
  position: relative;
}

.sr-header__menu li .sub-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: var(--sr-font-size-sm);
  font-weight: var(--sr-font-weight-medium);
  color: var(--sr-gray-700);
  border-radius: 0;
  white-space: nowrap;
  transition: all var(--sr-transition-fast);
}

.sr-header__menu li .sub-menu li a:hover {
  color: var(--sr-primary);
  background: var(--sr-primary-light);
  padding-left: 24px;
}

/* Arrow indicator for parent items with children */
.sr-header__menu > li.menu-item-has-children > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 6px;
  vertical-align: middle;
  opacity: 0.6;
  transition: transform var(--sr-transition-fast);
}

.sr-header__menu > li.menu-item-has-children:hover > a::after {
  transform: rotate(180deg);
  opacity: 1;
}

/* Hamburger - hidden on desktop */
.sr-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 10;
}

.sr-header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--sr-dark);
  transition: all var(--sr-transition-fast);
}

/* Actions (phone + CTA) */
.sr-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.sr-header__phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-sm);
  font-weight: var(--sr-font-weight-semibold);
  color: var(--sr-dark);
  text-decoration: none;
  white-space: nowrap;
}

.sr-header__phone svg {
  color: var(--sr-primary);
}

.sr-header__phone:hover {
  color: var(--sr-primary);
}

.sr-header__cta {
  padding: 10px 20px !important;
  font-size: var(--sr-font-size-sm) !important;
  white-space: nowrap;
}

/* --- Mobile Header --- */
@media (max-width: 991px) {
  .sr-header__hamburger {
    display: flex;
    order: -1;
    position: relative;
    z-index: calc(var(--sr-z-overlay) + 1);
  }

  .sr-header__nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: var(--sr-white);
    box-shadow: var(--sr-shadow-xl);
    flex-direction: column;
    justify-content: flex-start;
    padding: 80px 24px 24px;
    transition: left var(--sr-transition-base);
    z-index: var(--sr-z-overlay);
  }

  .sr-header__nav.is-open {
    left: 0;
  }

  .sr-header__menu {
    flex-direction: column;
    gap: 0;
  }

  .sr-header__menu li a {
    display: block;
    padding: 12px 16px;
    font-size: var(--sr-font-size-base);
    border-radius: 0;
    border-bottom: 1px solid var(--sr-gray-200);
  }

  /* Mobile dropdowns - inline, no absolute */
  .sr-header__menu li .sub-menu {
    display: none;
    position: static;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    min-width: 0;
    background: var(--sr-gray-100);
  }

  .sr-header__menu li.menu-item-has-children.is-open > .sub-menu {
    display: block;
  }

  .sr-header__menu li .sub-menu li a {
    padding-left: 32px;
    font-size: var(--sr-font-size-sm);
    color: var(--sr-gray-600);
  }

  .sr-header__menu li .sub-menu li a:hover {
    padding-left: 36px;
  }

  .sr-header__phone span {
    display: none;
  }

  .sr-header__cta {
    display: none;
  }

  /* Hamburger open state */
  .sr-header__hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .sr-header__hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .sr-header__hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Overlay */
  .sr-header__overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--sr-z-overlay) - 1);
  }

  .sr-header__overlay.is-visible {
    display: block;
  }
}

/* --- Footer --- */
.sr-footer {
  background: var(--sr-dark);
  color: var(--sr-gray-300);
}

.sr-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 60px 30px 40px;
}

.sr-footer h4 {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  font-weight: var(--sr-font-weight-semibold);
  color: var(--sr-white);
  margin: 0 0 16px;
}

.sr-footer p {
  font-size: var(--sr-font-size-sm);
  line-height: var(--sr-line-height-relaxed);
  margin: 0 0 8px;
}

.sr-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sr-footer ul li {
  margin-bottom: 8px;
}

.sr-footer a {
  color: var(--sr-gray-400);
  text-decoration: none;
  font-size: var(--sr-font-size-sm);
  transition: color var(--sr-transition-fast);
}

.sr-footer a:hover {
  color: var(--sr-primary);
}

.sr-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 20px 30px;
  text-align: center;
}

.sr-footer__bottom p {
  font-size: var(--sr-font-size-xs);
  margin: 0;
}

/* --- Footer Mobile --- */
@media (max-width: 767px) {
  .sr-footer__inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 40px 20px 30px;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .sr-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}