/* === DAVIDSON LAW OFFICES - LAYOUT CSS === */

/* ========================
   HEADER & TOP BAR
======================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  transition: background var(--duration-normal) var(--ease-default), 
              box-shadow var(--duration-normal) var(--ease-default);
}

/* Top utility bar */
.top-bar {
  background: var(--color-secondary);
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-2) 0;
  font-size: var(--font-size-xs);
  font-family: var(--font-body);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
  letter-spacing: var(--letter-spacing-wide);
}

.top-bar-item:hover {
  color: var(--color-accent);
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-accent);
}

/* Main navbar */
.navbar {
  background: rgba(var(--color-bg-rgb), 0.98);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.navbar .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--container-padding);
}

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

.navbar-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* Desktop nav */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
  white-space: nowrap;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-normal) var(--ease-default);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  transform: scaleX(1);
}

/* Button-style nav trigger (non-link top-level items) */
.nav-btn {
  background: none;
  border: none;
  cursor: default;
}

.nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-fast) var(--ease-default);
}

/* Navbar CTA button */
.navbar-cta {
  margin-left: var(--space-4);
}

/* ========================
   DROPDOWN / MEGAMENU
======================== */
.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--duration-normal) var(--ease-default),
              transform var(--duration-normal) var(--ease-default),
              visibility var(--duration-normal);
  pointer-events: none;
  z-index: var(--z-dropdown);
}

/* Right-aligned dropdown for last nav items to prevent viewport overflow */
.has-dropdown:last-of-type .dropdown,
.nav-item:nth-last-child(-n+2) .dropdown {
  left: auto;
  right: 0;
}

/* Invisible bridge to prevent gap between trigger and panel */
.dropdown::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 0;
  width: 100%;
  height: 16px;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-family: var(--font-body);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-default),
              color var(--duration-fast) var(--ease-default);
  border-bottom: var(--border-width) solid var(--color-border);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
}

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

/* 'All' link at bottom of dropdown */
.dropdown-item-all {
  border-top: 2px solid var(--color-border-strong);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: var(--letter-spacing-wider);
}

.dropdown-item:hover {
  background: var(--color-bg-secondary);
  color: var(--color-primary);
  padding-left: var(--space-6);
}

/* ========================
   SCROLLED HEADER STATE
======================== */
header.scrolled {
  background: rgba(var(--color-bg-rgb), 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.12);
}

/* ========================
   MOBILE NAVIGATION
======================== */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 110;
  /* Minimum 44x44px tap target */
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
  transition: all var(--duration-normal) var(--ease-default);
  transform-origin: center;
}

.navbar-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.navbar-toggle.open {
  pointer-events: none;
  opacity: 0;
}

/* Mobile overlay backdrop */
.mobile-overlay {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(6, 26, 35, 0.6);
  z-index: var(--z-backdrop);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-default);
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--color-secondary);
  z-index: var(--z-drawer);
  transform: translateX(100%);
  transition: transform var(--duration-moderate) var(--ease-default);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

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

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-header img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
}

.mobile-nav-close {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.8);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--duration-fast) var(--ease-default);
  position: relative;
  z-index: calc(var(--z-drawer) + 10);
}

.mobile-nav-close:hover {
  color: var(--color-accent);
}

.mobile-nav-links {
  padding: var(--space-4) 0;
  flex: 1;
}

.mobile-nav-link {
  display: block;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--duration-fast) var(--ease-default);
  min-height: 44px;
}

.mobile-nav-link:hover {
  color: var(--color-accent);
  padding-left: var(--space-8);
  background: rgba(255, 255, 255, 0.04);
}

.mobile-sub-label {
  padding: var(--space-3) var(--space-6) var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-body);
}

.mobile-sub-link {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-8);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--duration-fast) var(--ease-default);
  min-height: 44px;
}

.mobile-sub-link:hover {
  color: var(--color-accent);
  padding-left: calc(var(--space-8) + var(--space-2));
}

.mobile-sub-link-all {
  margin-top: var(--space-1);
  border-top: 1px solid rgba(255,255,255,0.15);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

.mobile-sub-link-all:hover {
  color: #fff;
}

/* Mobile nav collapsible group (sub-menu toggle) */
.mobile-nav-group {
  display: flex;
  flex-direction: column;
}

.mobile-nav-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-group-header .mobile-nav-link {
  flex: 1;
}

.mobile-nav-group-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color var(--duration-fast) var(--ease-default);
  min-height: 44px;
  min-width: 44px;
}

.mobile-nav-group-toggle:hover {
  color: var(--color-accent);
}

.mobile-nav-group-toggle svg {
  transition: transform var(--duration-normal) var(--ease-default);
}

.mobile-nav-group-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

/* Collapsible sub-menu container (default collapsed via inline max-height:0) */
.mobile-nav-sub {
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-default);
}

/* CTA button area inside mobile drawer */
.mobile-nav-cta {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-cta .btn {
  width: 100%;
  justify-content: center;
}

.mobile-nav-footer {
  padding: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-footer .btn {
  width: 100%;
  justify-content: center;
}

/* ========================
   RESPONSIVE NAVBAR
======================== */
@media (max-width: 1024px) {
  .navbar-nav {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-cta {
    display: none;
  }

  .top-bar-left .top-bar-item:not(:first-child) {
    display: none;
  }

  /* Prevent dropdown overflow on smaller viewports */
  .dropdown {
    max-width: calc(100vw - 2rem);
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 60px;
  }

  .top-bar {
    display: none;
  }

  .navbar .container {
    height: 60px;
  }

  .navbar-logo img {
    height: 40px;
  }
}

/* ========================
   FOOTER
======================== */
.footer {
  background: var(--color-secondary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-16) 0 0;
}

.footer .container {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-10);
}

.footer-brand {
  flex: 0 0 280px;
}

.footer-brand img {
  height: 52px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: var(--space-4);
}

.footer-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-5);
  line-height: var(--line-height-relaxed);
}

.footer-col {
  flex: 1;
  min-width: 180px;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-4);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--duration-fast) var(--ease-default);
}

.footer-contact-item a:hover {
  color: var(--color-accent);
}

/* Footer bottom bar */
.footer-bottom {
  margin-top: var(--space-12);
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: var(--letter-spacing-wide);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-4);
}

.footer-bottom-link {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.footer-bottom-link:hover {
  color: var(--color-accent);
}

/* Gold accent line above footer */
.footer-accent {
  height: 4px;
  background: linear-gradient(to right, var(--color-accent), var(--color-primary), var(--color-accent));
  width: 100%;
}

@media (min-width: 769px) and (max-width: 1023px) {
  .footer .container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-6);
  }

  .footer-brand {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .footer-col {
    flex: 0 0 calc(50% - var(--space-3));
    max-width: calc(50% - var(--space-3));
    min-width: 0;
  }
}

@media (max-width: 768px) {
  .footer .container {
    flex-direction: column;
    gap: var(--space-8);
  }

  .footer-brand {
    flex: 0 0 auto;
  }

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

/* ========================
   MOBILE CTA BAR (mobile only, fixed bottom)
======================== */
.mobile-cta-bar {
  display: none;
}

@media (max-width: 768px) {
  /* Offset page content so fixed bar does not overlap it */
  body {
    padding-bottom: 50px;
  }

  .mobile-cta-bar {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-secondary);
    z-index: 40;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.18);
    border-top: 2px solid var(--color-accent);
  }

  .mobile-cta-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-3) var(--space-5);
    background: none;
    border: none;
    color: #fff;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    gap: var(--space-3);
  }

  .mobile-cta-toggle-text {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }

  .mobile-cta-chevron {
    transition: transform var(--duration-normal) var(--ease-default);
  }

  .mobile-cta-bar.open .mobile-cta-chevron {
    transform: rotate(180deg);
  }

  .mobile-cta-panel {
    display: none;
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid rgba(255,255,255,0.12);
  }

  .mobile-cta-bar.open .mobile-cta-panel {
    display: block;
  }

  .mobile-cta-address {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255,255,255,0.75);
    font-size: var(--font-size-sm);
    margin: 0 0 var(--space-3) 0;
  }

  .mobile-cta-buttons {
    display: flex;
    gap: var(--space-3);
  }

  .mobile-cta-btn-call,
  .mobile-cta-btn-consult {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--btn-sm-padding-y) var(--btn-sm-padding-x);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-body);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-default);
    border-radius: 0;
  }

  .mobile-cta-btn-call {
    background: var(--color-primary);
    color: #fff;
  }

  .mobile-cta-btn-call:hover {
    background: var(--color-primary-dark);
    color: #fff !important;
  }

  .mobile-cta-btn-consult {
    background: var(--color-accent);
    color: var(--color-secondary);
  }

  .mobile-cta-btn-consult:hover {
    background: #e5a900;
    color: var(--color-secondary);
  }

  /* Push back-to-top above the collapsed bar — JS overrides when panel is open */
  .back-to-top {
    bottom: calc(50px + var(--space-4));
  }
}