/* ==========================================================================
   LAYOUT STYLES - Phase 3: Layout & Navigation
   ========================================================================== */

/* ====================
   BASE LAYOUT
   ==================== */

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary-700);
  color: var(--color-neutral-0);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* ====================
   HEADER - UTILITY BAR
   ==================== */

.header-utility {
  background: var(--color-primary-800);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}

.header-utility-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.header-phone {
  color: var(--color-neutral-0);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
}

.header-phone:hover {
  color: var(--color-secondary-400);
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-user a {
  color: var(--color-neutral-0);
  text-decoration: none;
  opacity: 0.8;
  font-size: var(--text-sm);
}

.header-user a:hover {
  opacity: 1;
  text-decoration: underline;
}

.header-greeting {
  color: var(--color-neutral-0);
  opacity: 0.7;
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .header-utility {
    padding: var(--space-1) 0;
  }

  .header-utility-inner {
    justify-content: center;
  }

  .header-user {
    display: none; /* Hide login/register on mobile utility bar - available in mobile menu */
  }

  .header-phone {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
  }
}

@media (max-width: 576px) {
  .header-utility-inner {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }

  .header-user {
    gap: var(--space-3);
  }

  .header-greeting {
    display: none;
  }
}

/* ====================
   HEADER - MAIN
   ==================== */

.header-main {
  background: var(--color-primary-700);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-main-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.header-logo {
  display: block;
  line-height: 0;
}

.header-logo img {
  height: 70px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

@media (max-width: 991px) {
  .header-main {
    padding: var(--space-3) 0;
  }

  .header-main-inner {
    justify-content: center;
    position: relative;
    gap: var(--space-4);
  }

  .header-logo {
    flex: 0 0 auto;
  }

  .header-logo img {
    height: 55px;
  }

  .header-menu-toggle {
    position: absolute;
    right: 0;
  }

  .header-cta {
    position: absolute;
    left: 0;
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-3);
  }
}

/* ====================
   DESKTOP NAVIGATION
   ==================== */

.header-nav {
  flex: 1;
  display: none;
}

@media (min-width: 992px) {
  .header-nav {
    display: block;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: var(--color-neutral-0);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-medium);
  transition: var(--transition-colors);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-family: inherit;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.is-active {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-secondary-400);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-dropdown-toggle i {
  font-size: 0.75em;
  transition: transform var(--duration-fast);
}

.nav-dropdown:hover .nav-dropdown-toggle i {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 12rem;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(var(--space-2));
  transition: opacity var(--duration-fast),
              visibility var(--duration-fast),
              transform var(--duration-fast);
  list-style: none;
  margin: 0;
  margin-top: var(--space-1);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-neutral-700);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.nav-dropdown-menu a:hover {
  background: var(--color-neutral-100);
  color: var(--color-primary-700);
}

/* Header CTA */
.header-cta {
  display: none;
  flex-shrink: 0;
}

@media (min-width: 992px) {
  .header-cta {
    display: inline-flex;
  }
}

@media (max-width: 991px) {
  .header-cta {
    display: inline-flex;
  }
}

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

.header-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

@media (min-width: 992px) {
  .header-menu-toggle {
    display: none;
  }
}

.hamburger {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-secondary-500);
  position: relative;
  transition: background var(--duration-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-secondary-500);
  transition: transform var(--duration-fast);
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  top: 6px;
}

/* Active state */
.header-menu-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.header-menu-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg) translate(4px, 4px);
}

.header-menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ====================
   MOBILE SLIDE-OUT MENU
   ==================== */

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(80vw, 20rem);
  background: var(--bg-surface);
  box-shadow: var(--shadow-xl);
  z-index: 1060; /* Must be above bottom-sheet (1050) on quote page */
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
}

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

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-neutral-200);
}

.mobile-menu-greeting {
  font-weight: var(--font-semibold);
  color: var(--color-neutral-700);
}

.mobile-menu-close {
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--color-neutral-500);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-close:hover {
  background: var(--color-neutral-100);
}

.mobile-menu-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) 0;
}

.mobile-menu-link {
  display: block;
  padding: var(--space-3) var(--space-6);
  color: var(--color-neutral-700);
  text-decoration: none;
  font-weight: var(--font-medium);
}

.mobile-menu-link:hover,
.mobile-menu-link:active {
  background: var(--color-neutral-50);
  color: var(--color-primary-700);
}

.mobile-menu-link-highlight {
  color: var(--color-primary-700);
  font-weight: var(--font-semibold);
}

.mobile-menu-divider {
  height: 1px;
  background: var(--color-neutral-200);
  margin: var(--space-3) var(--space-6);
}

.mobile-menu-section {
  display: block;
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-neutral-400);
  font-weight: var(--font-semibold);
}

.mobile-menu-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-neutral-200);
  background: var(--color-neutral-50);
}

.mobile-menu-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-primary-700);
  color: var(--color-neutral-0);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.mobile-menu-phone:hover {
  background: var(--color-primary-600);
  color: var(--color-neutral-0);
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-menu-actions a:not(.btn) {
  text-align: center;
  color: var(--color-neutral-600);
  text-decoration: none;
  font-size: var(--text-sm);
}

.mobile-menu-actions a:not(.btn):hover {
  color: var(--color-primary-700);
}

/* Backdrop */
.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 1059; /* Must be above bottom-sheet (1050), below mobile-menu (1060) */
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal),
              visibility var(--duration-normal);
}

.mobile-menu-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ====================
   BOTTOM NAVIGATION (MOBILE)
   ==================== */

.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--color-neutral-200);
  box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: var(--z-sticky);
  padding-bottom: env(safe-area-inset-bottom);
}

@media (max-width: 768px) {
  .bottom-nav {
    display: flex;
  }

  /* Add bottom padding to main content to prevent overlap */
  .site-main {
    padding-bottom: calc(4rem + env(safe-area-inset-bottom));
  }
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-1);
  color: var(--color-neutral-500);
  text-decoration: none;
  font-size: var(--text-xs);
  gap: var(--space-1);
  min-height: 3.5rem;
}

.bottom-nav-item i {
  font-size: 1.25rem;
}

.bottom-nav-item:hover,
.bottom-nav-item.is-active {
  color: var(--color-primary-700);
}

.bottom-nav-item-primary {
  color: var(--color-primary-700);
  font-weight: var(--font-semibold);
}

.bottom-nav-item-primary i {
  background: var(--color-primary-700);
  color: var(--color-neutral-0);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

/* ====================
   MAIN CONTENT
   ==================== */

.site-main {
  flex: 1;
  padding: var(--space-6) 0;
  background: var(--bg-page);
}

@media (max-width: 768px) {
  .site-main {
    padding: var(--space-4) 0;
  }
}

/* ====================
   FOOTER
   ==================== */

.site-footer {
  background: var(--color-primary-800);
  color: var(--color-neutral-0);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-logo {
  height: 50px;
  margin-bottom: var(--space-3);
}

.footer-tagline {
  color: var(--color-neutral-300);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  color: var(--color-secondary-500);
}

.footer-links ul,
.footer-contact ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li,
.footer-contact li {
  margin-bottom: var(--space-2);
}

.footer-links a,
.footer-contact a {
  color: var(--color-neutral-300);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-neutral-0);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
  color: var(--color-neutral-400);
  font-size: var(--text-sm);
  margin: 0;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-legal a {
  color: var(--color-neutral-400);
  text-decoration: none;
  font-size: var(--text-sm);
}

.footer-legal a:hover {
  color: var(--color-neutral-0);
}

.footer-version {
  color: var(--color-neutral-500);
  font-size: var(--text-xs);
}

@media (max-width: 768px) {
  .site-footer {
    padding-bottom: calc(var(--space-6) + 4rem);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ====================
   CANCEL BUTTON
   ==================== */

.cancel-button {
  position: absolute;
  top: 100%;
  margin-top: 3px;
  right: 10px;
  background: transparent;
  border: thin;
  font-size: 24px;
  color: #000;
  cursor: pointer;
  z-index: 10;
}

/* ====================
   TYPOGRAPHY
   ==================== */

h1 {
  font-size: calc(1rem + 1vw);
}

/* ====================
   CONTAINER & GRID
   ==================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

.container-narrow {
  max-width: 768px;
}

.container-wide {
  max-width: 1400px;
}