/* 
 * DryAlle Design System - Header Layout
 * Optimized Header Components
 * 30-Year CSS Expert Implementation
 */

/* ================================
   TOP BAR COMPONENT
   ================================ */

.top-bar {
  background-color: var(--color-secondary);
  padding: var(--spacing-2) 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  position: relative;
  z-index: var(--z-index-sticky);
}

.top-bar-content {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--spacing-16);
}

.top-bar strong {
  font-weight: var(--font-weight-bold);
  text-decoration: underline;
}

.top-bar a {
  color: var(--color-gray-700);
  text-decoration: none;
  transition: var(--transition-base);
}

.top-bar a:hover {
  color: var(--color-gray-900);
  text-decoration: underline;
}

/* ================================
   MAIN HEADER COMPONENT
   ================================ */

.header {
  background-color: var(--color-primary) !important;
  color: var(--color-white) !important;
  position: relative;
  z-index: var(--z-index-sticky);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-16);
  max-width: 1600px;
  margin: 0 auto;
}

/* ================================
   LOGO COMPONENT
   ================================ */

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo svg {
  display: block;
  height: auto;
  max-height: 105px;
  width: auto;
  max-width: 390px;
  transition: var(--transition-base);
}

.logo:hover svg {
  transform: scale(1.02);
}

.logo:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-secondary);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--border-radius-sm);
}

/* ================================
   CONTACT BUTTON
   ================================ */

.contact-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-white);
  cursor: pointer;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius-base);
  transition: var(--transition-base);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.contact-button:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  transform: var(--transform-hover-slight);
}

.contact-button:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-secondary);
  outline-offset: var(--focus-ring-offset);
}

.phone-icon {
  font-size: var(--font-size-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ================================
   STORES BUTTON (Alternative)
   ================================ */

.stores-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-white);
  cursor: pointer;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius-base);
  transition: var(--transition-base);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.stores-button:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.location-icon {
  font-size: var(--font-size-xl);
}

/* ================================
   MAIN NAVIGATION
   ================================ */

.main-nav {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: relative;
  z-index: var(--z-index-sticky);
}

.nav-menu {
  display: flex;
  list-style: none;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--spacing-10);
  justify-content: flex-start;
  gap: var(--nav-gap);
}

.nav-menu li {
  padding: var(--spacing-3) 0;
  position: relative;
}

.nav-menu a {
  text-decoration: none;
  color: var(--color-primary) !important;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-base);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius-sm);
  position: relative;
}

.nav-menu a:hover {
  color: var(--color-primary-light) !important;
  background-color: rgba(0, 106, 68, 0.05);
}

.nav-menu a:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-secondary);
  outline-offset: var(--focus-ring-offset);
}

.nav-menu a.active {
  background-color: var(--color-secondary);
  color: var(--color-gray-700) !important;
  font-weight: var(--font-weight-semibold);
}

/* Navigation indicator */
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary-light);
  transition: var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* ================================
   RESPONSIVE HEADER BEHAVIOR
   ================================ */

@media (max-width: 1024px) {
  .header-container {
    padding: var(--spacing-4) var(--spacing-10);
  }
  
  .top-bar-content {
    padding: 0 var(--spacing-10);
  }
  
  .nav-menu {
    gap: var(--spacing-12);
    padding: 0 var(--spacing-10);
  }
  
  .logo svg {
    max-width: 320px;
    max-height: 85px;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: var(--spacing-4) var(--spacing-5);
    flex-wrap: wrap;
  }
  
  .top-bar-content {
    padding: 0 var(--spacing-5);
    font-size: var(--font-size-xs);
  }
  
  .logo svg {
    max-width: 280px;
    max-height: 75px;
  }
  
  .contact-button,
  .stores-button {
    font-size: var(--font-size-xs);
    padding: var(--spacing-2) var(--spacing-3);
  }
  
  .phone-icon,
  .location-icon {
    font-size: var(--font-size-lg);
  }
  
  /* Mobile Navigation */
  .main-nav {
    order: 3;
    width: 100%;
    margin-top: var(--spacing-2);
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 0;
    padding: 0 var(--spacing-5);
  }
  
  .nav-menu li {
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--color-gray-200);
  }
  
  .nav-menu li:last-child {
    border-bottom: none;
  }
  
  .nav-menu a {
    display: block;
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-base);
    text-transform: none;
    letter-spacing: normal;
  }
  
  .nav-menu a::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .top-bar {
    padding: var(--spacing-1) 0;
    font-size: var(--font-size-xs);
  }
  
  .header-container {
    padding: var(--spacing-3) var(--spacing-4);
  }
  
  .logo svg {
    max-width: 240px;
    max-height: 65px;
  }
  
  .contact-button,
  .stores-button {
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-2);
  }
  
  .top-bar-content {
    padding: 0 var(--spacing-4);
  }
  
  .nav-menu {
    padding: 0 var(--spacing-4);
  }
}

/* ================================
   STICKY HEADER BEHAVIOR
   ================================ */

.header-sticky {
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  box-shadow: var(--shadow-md);
}

.header-sticky .top-bar {
  position: sticky;
  top: 0;
}

/* ================================
   MOBILE MENU TOGGLE
   ================================ */

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
}

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

.mobile-menu-toggle:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-secondary);
  outline-offset: var(--focus-ring-offset);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
  }
  
  .main-nav.open {
    display: block;
  }
}

/* ================================
   BREADCRUMB COMPONENT
   ================================ */

.breadcrumb-section {
  background-color: var(--color-gray-50);
  padding: var(--spacing-4) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--border-radius-sm);
}

.breadcrumb a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
  background-color: rgba(0, 106, 68, 0.05);
}

.breadcrumb a:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-secondary);
  outline-offset: var(--focus-ring-offset);
}

.breadcrumb span {
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
}

.breadcrumb-separator {
  color: var(--color-gray-400);
  margin: 0 var(--spacing-1);
}

/* ================================
   ACCESSIBILITY ENHANCEMENTS
   ================================ */

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius-base);
  text-decoration: none;
  z-index: var(--z-index-tooltip);
  transition: var(--transition-base);
  font-weight: var(--font-weight-medium);
}

.skip-to-main:focus {
  top: 6px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .header {
    border-bottom: 2px solid var(--color-white);
  }
  
  .main-nav {
    border-bottom: 2px solid var(--color-gray-900);
  }
  
  .nav-menu a {
    border: 1px solid transparent;
  }
  
  .nav-menu a:focus {
    border-color: var(--color-primary);
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .logo svg,
  .contact-button,
  .stores-button,
  .nav-menu a,
  .breadcrumb a {
    transition: none;
  }
  
  .logo:hover svg {
    transform: none;
  }
  
  .contact-button:hover,
  .stores-button:hover {
    transform: none;
  }
}

/* ================================
   PERFORMANCE OPTIMIZATIONS
   ================================ */

.header {
  contain: layout style;
}

.logo svg {
  will-change: transform;
}

.logo:not(:hover) svg {
  will-change: auto;
}

/* Optimize for paint performance */
.nav-menu a::after {
  will-change: width;
}

.nav-menu a:not(:hover):not(.active)::after {
  will-change: auto;
}

/* ================================
   HERO SECTION - BACKUP RESTORE
   ================================ */

.hero {
  position: relative;
  height: 475px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to left, transparent 0%, transparent 20%, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.15) 30%, rgba(255,255,255,0.3) 35%, rgba(255,255,255,0.5) 40%, rgba(255,255,255,0.7) 43%, rgba(255,255,255,0.85) 46%, rgba(255,255,255,0.95) 48%, rgba(255,255,255,1) 50%, rgba(255,255,255,1) 100%);
  z-index: 2;
}

.hero-image {
  width: 50%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  position: absolute;
  right: 0;
  top: 0;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 60px;
  transform: translateY(-50%);
  z-index: 3;
  color: #00623b;
  max-width: 600px;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 40px;
  text-shadow: 2px 2px 4px rgba(255,255,255,0.8);
}