/* ==========================================================================
   LONG BEACH WATER HEATER SERVICES — RESPONSIVE STYLESHEET
   Comprehensive responsive design system for all screen sizes:
   - Desktop / Large Desktop: 1440px+ and 1280px-1440px
   - Tablet Landscape / Small Desktop: 1024px
   - Tablet Portrait: 768px - 820px
   - Mobile: 640px, 480px, 390px, 360px, 320px
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tablet & Medium Screens (max-width: 1024px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --container-padding: 1.5rem;
    --header-height: 66px;
  }

  /* Header & Mobile Toggle */
  .mobile-nav-toggle {
    display: flex !important;
  }

  /* Main Navigation Drawer Panel */
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    background-color: var(--color-white);
    padding: 1.25rem 1.25rem 3rem 1.25rem;
    flex-direction: column;
    align-items: stretch;
    transform: translateX(-100%);
    transition: transform 250ms cubic-bezier(0.16, 1, 0.3, 1), visibility 250ms;
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 1050;
    display: flex;
    visibility: hidden;
    pointer-events: none;
    box-sizing: border-box;
  }

  .main-nav.is-open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .site-header:has(.main-nav.is-open) {
    z-index: 1100;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
  }

  .nav-item {
    width: 100%;
    display: block;
  }

  .nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    padding: 0.8rem 0.5rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-navy);
    cursor: pointer;
    box-sizing: border-box;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .nav-link:hover,
  .nav-link:focus {
    background-color: var(--color-light-blue);
    color: var(--color-blue);
  }

  /* Submenu Accordion Reset — Overrides desktop float/mega-menu rules cleanly */
  .site-header .main-nav .nav-dropdown-item .dropdown-menu,
  .site-header .main-nav .nav-dropdown-item .dropdown-mega-menu,
  .site-header .main-nav .nav-dropdown-item.is-expanded .dropdown-menu,
  .site-header .main-nav .nav-dropdown-item.is-active .dropdown-menu,
  .site-header .main-nav .nav-dropdown-item.is-expanded .dropdown-mega-menu,
  .site-header .main-nav .nav-dropdown-item.is-active .dropdown-mega-menu {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-shadow: none !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
    background-color: var(--color-off-white) !important;
    padding: 0.6rem !important;
    margin: 0.35rem 0 0.65rem 0 !important;
    box-sizing: border-box !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transition: none !important;
  }

  .site-header .main-nav .nav-dropdown-item:not(.is-expanded):not(.is-active) .dropdown-menu,
  .site-header .main-nav .nav-dropdown-item:not(.is-expanded):not(.is-active) .dropdown-mega-menu {
    display: none !important;
  }

  .site-header .main-nav .nav-dropdown-item.is-expanded .dropdown-menu,
  .site-header .main-nav .nav-dropdown-item.is-active .dropdown-menu,
  .site-header .main-nav .nav-dropdown-item.is-expanded .dropdown-mega-menu,
  .site-header .main-nav .nav-dropdown-item.is-active .dropdown-mega-menu {
    display: flex !important;
    flex-direction: column !important;
  }

  /* Chevron Rotation */
  .dropdown-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 200ms ease;
  }

  .nav-dropdown-item.is-expanded > .nav-link .dropdown-chevron,
  .nav-dropdown-item.is-active > .nav-link .dropdown-chevron {
    transform: rotate(180deg);
  }

  /* Services Dropdown Links */
  .dropdown-menu .dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--color-navy);
    width: 100%;
    box-sizing: border-box;
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  }

  .dropdown-menu .dropdown-link:last-child {
    border-bottom: none;
  }

  .dropdown-menu .dropdown-link:hover,
  .dropdown-menu .dropdown-link:focus {
    background-color: var(--color-light-blue);
    color: var(--color-blue);
  }

  /* Service Areas Mega Menu in Mobile Drawer */
  .dropdown-mega-menu .mega-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.4rem 0.5rem 0.4rem;
    margin-bottom: 0.4rem;
    border-bottom: 1px solid var(--color-border);
  }

  .dropdown-mega-menu .mega-menu-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-blue);
    letter-spacing: 0.05em;
  }

  .dropdown-mega-menu .mega-menu-badge {
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    background-color: var(--color-light-blue);
    color: var(--color-blue);
    border-radius: var(--radius-full);
  }

  .dropdown-mega-menu .mega-menu-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.35rem 0.5rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
    max-height: 380px !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-right: 0.25rem;
  }

  @media (max-width: 440px) {
    .dropdown-mega-menu .mega-menu-grid {
      grid-template-columns: 1fr !important;
    }
  }

  .dropdown-mega-menu .mega-menu-link {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.5rem 0.4rem !important;
    border-radius: var(--radius-sm) !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    color: var(--color-navy) !important;
    white-space: nowrap !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .dropdown-mega-menu .mega-menu-link:hover,
  .dropdown-mega-menu .mega-menu-link:focus {
    background-color: var(--color-light-blue);
    color: var(--color-blue);
  }

  .dropdown-mega-menu .mega-menu-link .icon-svg {
    width: 15px;
    height: 15px;
    color: var(--color-blue);
    flex-shrink: 0;
  }

  .dropdown-mega-menu .dropdown-mega-footer {
    margin-top: 0.45rem;
    padding-top: 0.45rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
  }

  .dropdown-mega-menu .dropdown-mega-footer a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-blue);
    padding: 0.35rem;
  }

  /* Tablet Grids */
  .hero-grid,
  .hero-repair-grid,
  .service-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-image-wrapper,
  .hero-repair-image-card,
  .service-hero-image-card {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .emergency-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .emergency-image-wrapper {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }

  .why-choose-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .why-image-card {
    max-width: 550px;
    margin: 0 auto;
    width: 100%;
  }

  .tankless-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .tankless-image-card {
    max-width: 550px;
    margin: 0 auto;
    width: 100%;
  }

  .service-area-grid,
  .local-coverage-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .service-area-image-card,
  .local-map-card {
    max-width: 550px;
    margin: 0 auto;
    width: 100%;
  }

  .location-services-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .heater-types-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .compare-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .steps-4-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 1.5rem;
  }

  .steps-4-grid::before {
    display: none;
  }

  .nearby-areas-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .repair-highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* --------------------------------------------------------------------------
   2. Mobile Screens (max-width: 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --header-height: 64px;
    --utility-height: auto;
  }

  /* Utility Bar Mobile */
  .top-utility-bar {
    padding: 0.4rem 0;
  }

  .utility-inner {
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
  }

  .utility-left,
  .utility-right {
    justify-content: center;
    font-size: 0.8rem;
  }

  /* Mobile Header Layout: Logo left, compact phone pill center, hamburger right */
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 100%;
    gap: 0.35rem;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    font-size: 1rem;
    gap: 0.4rem;
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
  }

  .brand-logo > div:last-child {
    min-width: 0;
    overflow: hidden;
  }

  .brand-logo > div:last-child > div:first-child {
    font-size: clamp(0.85rem, 3.5vw, 1rem);
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
  }

  .brand-icon-wrapper {
    width: 34px;
    height: 34px;
    min-width: 34px;
    flex-shrink: 0;
  }

  .brand-icon-wrapper .icon-svg {
    width: 17px;
    height: 17px;
  }

  .brand-text-sub {
    font-size: 0.65rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
  }

  .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.35rem !important;
    flex-shrink: 0 !important;
    margin-left: auto;
  }

  /* Compact phone call button in mobile header */
  .header-actions .btn-primary-call {
    display: inline-flex !important;
    padding: 0.4rem 0.75rem !important;
    font-size: 0.825rem !important;
    font-weight: 700 !important;
    border-radius: var(--radius-full) !important;
    white-space: nowrap !important;
    gap: 0.3rem !important;
    min-height: auto !important;
    line-height: 1.2 !important;
  }

  .header-actions .btn-primary-call .icon-svg {
    width: 15px !important;
    height: 15px !important;
  }

  .mobile-nav-toggle {
    display: flex !important;
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    min-height: 38px !important;
    flex-shrink: 0 !important;
  }

  /* Hero Section Mobile Order:
     Text first (eyebrow, H1, description, full CTA), then image below */
  .hero-section,
  .hero-repair {
    padding-top: 1.5rem;
    padding-bottom: 2.5rem;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    width: 100%;
    min-width: 0;
  }

  h1, .hero-title {
    font-size: clamp(1.85rem, 5.5vw, 2.35rem);
    line-height: 1.2;
    margin-bottom: 1rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .hero-description {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-actions .btn,
  .hero-repair .hero-actions .btn-primary-call {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .hero-badge-floating.badge-bottom-left {
    bottom: 0.5rem;
    left: 0.5rem;
    padding: 0.45rem 0.7rem;
  }

  .hero-badge-floating.badge-top-right {
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.45rem 0.7rem;
  }

  /* Single Column Card Grids on Mobile */
  .services-grid,
  .problems-grid,
  .comparison-grid,
  .reviews-grid,
  .neighborhoods-grid,
  .service-cities-grid,
  .repair-highlights-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  /* Emergency Section Mobile */
  .emergency-section {
    padding: 3rem 0;
  }

  .emergency-grid {
    display: flex;
    flex-direction: column;
  }

  .emergency-grid .btn-primary-call {
    width: 100%;
    justify-content: center;
  }

  /* Sticky Mobile Call Bar (Call-only, safe-area inset aware) */
  .sticky-mobile-bar {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-deep-navy);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
    padding: 0.65rem 1rem;
    padding-bottom: calc(0.65rem + env(safe-area-inset-bottom, 0px));
    z-index: 999;
    transform: translateY(100%);
    transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  }

  .sticky-mobile-bar.is-visible {
    transform: translateY(0);
  }

  /* Padding on body so content isn't covered by sticky bottom bar */
  body {
    padding-bottom: 68px;
  }

  /* Footer Mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-legal-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .footer-map-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-map-iframe-wrapper {
    height: 220px;
  }
}

/* --------------------------------------------------------------------------
   3. Small Tablet & Phablet (max-width: 640px)
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  /* 4-Step Process Timeline Mobile:
     Vertical timeline stacking all 4 steps cleanly with vertical connector line */
  .process-steps-grid,
  .steps-4-grid {
    grid-template-columns: 1fr !important;
    gap: 2.25rem !important;
    position: relative !important;
  }

  .process-steps-grid::before,
  .steps-4-grid::before {
    display: none !important;
  }

  .process-step-item,
  .process-step-card {
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    padding: 0 0.75rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Vertical connector line between step cards */
  .process-step-item:not(:last-child)::after,
  .process-step-card:not(:last-child)::after {
    content: '' !important;
    position: absolute !important;
    bottom: -1.75rem !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 2px !important;
    height: 1.25rem !important;
    background-color: var(--color-border) !important;
    z-index: 1 !important;
  }

  .process-step-number,
  .process-step-num {
    width: 52px !important;
    height: 52px !important;
    font-size: 1.25rem !important;
    margin-bottom: 0.85rem !important;
  }

  .process-step-title {
    font-size: 1.15rem !important;
    margin-bottom: 0.45rem !important;
    line-height: 1.35 !important;
  }

  .process-step-desc {
    font-size: 0.925rem !important;
    line-height: 1.55 !important;
    max-width: 320px !important;
    margin: 0 auto !important;
  }

  /* Location Page Card Actions Mobile */
  .location-service-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .location-service-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .nearby-areas-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* FAQ Accordion Mobile */
  .faq-section {
    padding: 48px 0;
  }

  .faq-container {
    width: 100%;
    max-width: 100%;
  }

  .faq-trigger {
    padding: 1rem 1.15rem;
    font-size: 0.975rem;
    gap: 0.85rem;
  }

  .faq-chevron {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    min-height: 18px !important;
  }

  .faq-panel p,
  .faq-content {
    padding: 0 1.15rem 1.15rem 1.15rem;
    font-size: 0.925rem;
  }
}

/* --------------------------------------------------------------------------
   4. Small Mobile Screens (max-width: 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.65rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .brand-text-sub {
    display: none !important;
  }

  .header-actions .btn-primary-call {
    padding: 0.35rem 0.65rem !important;
    font-size: 0.8rem !important;
  }

  .btn {
    padding: 0.85rem 1.15rem;
    font-size: 0.95rem;
    white-space: normal !important;
    max-width: 100% !important;
    text-align: center !important;
  }

  .service-card-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .service-card-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* --------------------------------------------------------------------------
   5. Extra Small Mobile Screens (max-width: 380px)
   -------------------------------------------------------------------------- */
@media (max-width: 380px) {
  :root {
    --container-padding: 0.75rem;
  }

  /* Header compact mode for 320px-360px */
  .brand-logo {
    font-size: 0.95rem;
    gap: 0.4rem;
  }

  .brand-icon-wrapper {
    width: 32px;
    height: 32px;
  }

  .brand-text-sub {
    display: none;
  }

  .header-actions .btn-primary-call span {
    display: none;
  }

  .header-actions .btn-primary-call {
    padding: 0.45rem !important;
    border-radius: 50% !important;
    width: 36px !important;
    height: 36px !important;
    justify-content: center !important;
  }

  .mobile-nav-toggle {
    width: 36px !important;
    height: 36px !important;
  }

  h1, .hero-title {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.45rem;
  }
}

/* --------------------------------------------------------------------------
   6. Universal Overflow & Image Safety Rules
   -------------------------------------------------------------------------- */
html,
body {
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
}

img,
picture,
video,
svg {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  box-sizing: border-box;
}