/* ==========================================================================
   Navbar Component
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  background-color: var(--nav-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition:
    padding var(--transition-normal) var(--ease-out),
    background-color var(--transition-normal) var(--ease-out),
    border-color var(--transition-normal) var(--ease-out);
}

.navbar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent) 30%,
    var(--accent) 70%,
    transparent 100%
  );
  opacity: 0.15;
  transition: opacity var(--transition-normal) var(--ease-out);
}

.navbar.is-scrolled {
  padding: 0.75rem 0;
  background-color: var(--nav-bg-scrolled);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar.is-scrolled::after {
  opacity: 0.25;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

/* --------------------------------------------------------------------------
   Logo
   -------------------------------------------------------------------------- */

.navbar__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  z-index: 1001;
  transition: opacity var(--transition-fast) var(--ease-out);
}

.navbar__logo:hover {
  opacity: 0.85;
}

.navbar__logo-img {
  height: 42px;
  width: auto;
  filter: brightness(1.1);
  transition: filter var(--transition-fast) var(--ease-out);
}

.navbar__logo:hover .navbar__logo-img {
  filter: brightness(1.3);
}

@media (max-width: 1024px) {
  .navbar__logo-img {
    height: 28px;
  }
}

/* --------------------------------------------------------------------------
   Desktop Links
   -------------------------------------------------------------------------- */

.navbar__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__links > li {
  display: flex;
  align-items: center;
}

.navbar__link {
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  line-height: 1;
  transition: color var(--transition-fast) var(--ease-out);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal) var(--ease-out);
}

.navbar__link:hover {
  color: var(--text-primary);
}

.navbar__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* --------------------------------------------------------------------------
   Services Dropdown (Desktop)
   -------------------------------------------------------------------------- */

.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color var(--transition-fast) var(--ease-out);
}

.navbar__dropdown-trigger:hover {
  color: var(--text-primary);
}

.navbar__dropdown-arrow {
  width: 10px;
  height: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast) var(--ease-out);
}

.navbar__dropdown-arrow svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.navbar__dropdown.is-open .navbar__dropdown-arrow {
  transform: rotate(180deg);
}

.navbar__dropdown-menu {
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--transition-fast) var(--ease-out),
    transform var(--transition-fast) var(--ease-out),
    visibility var(--transition-fast) var(--ease-out);
  box-shadow: var(--shadow-lg);
}

.navbar__dropdown.is-open .navbar__dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.navbar__dropdown-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--text-secondary);
  text-decoration: none;
  transition:
    background-color var(--transition-fast) var(--ease-out),
    color var(--transition-fast) var(--ease-out);
}

.navbar__dropdown-item:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.navbar__dropdown-num {
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.6875rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  width: 1.5rem;
}

/* --------------------------------------------------------------------------
   CTA Button
   -------------------------------------------------------------------------- */

.navbar__cta {
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid var(--btn-bg);
  text-decoration: none;
  flex-shrink: 0;
  transition:
    background-color var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out);
}

.navbar__cta:hover {
  background-color: var(--btn-hover-bg);
  border-color: var(--btn-hover-bg);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.navbar__pay {
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-medium);
  transition:
    color var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out);
}

.navbar__pay:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Burger (Mobile)
   -------------------------------------------------------------------------- */

.navbar__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  gap: 6px;
  -webkit-tap-highlight-color: transparent;
}

.navbar__burger-line {
  display: block;
  width: 24px;
  height: 1px;
  background-color: var(--text-primary);
  transition:
    transform var(--transition-normal) var(--ease-out),
    opacity var(--transition-fast) var(--ease-out);
  transform-origin: center;
}

.navbar__burger.is-open .navbar__burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__burger.is-open .navbar__burger-line:nth-child(2) {
  opacity: 0;
}

.navbar__burger.is-open .navbar__burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Mobile Overlay
   -------------------------------------------------------------------------- */

.navbar__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--transition-normal) var(--ease-out),
    visibility var(--transition-normal) var(--ease-out);
}

.navbar__overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Sliding background panels */
.navbar__overlay-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.navbar__overlay.is-open .navbar__overlay-panel {
  transform: translateX(0);
}

.navbar__overlay-panel:nth-child(1) {
  background-color: var(--bg);
  z-index: 1;
  transition-delay: 0s;
}

.navbar__overlay.is-open .navbar__overlay-panel:nth-child(1) {
  transition-delay: 0s;
}

.navbar__overlay-panel:nth-child(2) {
  background-color: var(--bg-elevated);
  z-index: 2;
  transition-delay: 0s;
}

.navbar__overlay.is-open .navbar__overlay-panel:nth-child(2) {
  transition-delay: 0.05s;
}

.navbar__overlay-panel:nth-child(3) {
  background-color: var(--bg-surface);
  z-index: 3;
  transition-delay: 0s;
}

.navbar__overlay.is-open .navbar__overlay-panel:nth-child(3) {
  transition-delay: 0.1s;
}

/* Content area */
.navbar__overlay-content {
  position: relative;
  z-index: 4;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem var(--content-padding) 2rem;
  overflow-y: auto;
}

/* Menu links */
.navbar__overlay-link {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 400;
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.75rem 0;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s var(--ease-out),
    transform 0.5s var(--ease-out),
    color var(--transition-fast) var(--ease-out);
}

.navbar__overlay.is-open .navbar__overlay-link,
.navbar__overlay.is-open .navbar__overlay-group {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered entry delays for overlay children */
.navbar__overlay.is-open .navbar__overlay-content > :nth-child(1) { transition-delay: 0.2s; }
.navbar__overlay.is-open .navbar__overlay-content > :nth-child(2) { transition-delay: 0.25s; }
.navbar__overlay.is-open .navbar__overlay-content > :nth-child(3) { transition-delay: 0.3s; }
.navbar__overlay.is-open .navbar__overlay-content > :nth-child(4) { transition-delay: 0.35s; }

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

.navbar__overlay-link-num {
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 2rem;
}

/* --------------------------------------------------------------------------
   Services Group (collapsible)
   -------------------------------------------------------------------------- */

.navbar__overlay-group {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s var(--ease-out),
    transform 0.5s var(--ease-out);
}

.navbar__overlay-group-trigger {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  width: 100%;
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 400;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.75rem 0;
  text-align: left;
  transition: color var(--transition-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.navbar__overlay-group-trigger:hover {
  color: var(--accent);
}

.navbar__overlay-group-arrow {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
  transition: transform 0.3s var(--ease-out);
  flex-shrink: 0;
  position: relative;
  top: -0.1em;
}

.navbar__overlay-group-arrow svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.navbar__overlay-group.is-open .navbar__overlay-group-arrow {
  transform: rotate(180deg);
}

/* Sub-links container — collapsed by default */
.navbar__overlay-group-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  padding-left: 3.25rem;
}

.navbar__overlay-group.is-open .navbar__overlay-group-menu {
  max-height: 600px;
}

/* Individual service sub-links */
.navbar__overlay-sublink {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition-fast) var(--ease-out);
}

.navbar__overlay-sublink:last-child {
  border-bottom: none;
  padding-bottom: 0.25rem;
}

.navbar__overlay-sublink:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Action Buttons (mobile overlay)
   -------------------------------------------------------------------------- */

.navbar__overlay-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 2rem;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.5s var(--ease-out),
    transform 0.5s var(--ease-out);
  transition-delay: 0s;
}

.navbar__overlay.is-open .navbar__overlay-actions {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

.navbar__overlay-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1rem 1.5rem;
  transition:
    background-color var(--transition-fast) var(--ease-out),
    color var(--transition-fast) var(--ease-out),
    border-color var(--transition-fast) var(--ease-out);
}

.navbar__overlay-btn--primary {
  background-color: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
}

.navbar__overlay-btn--primary:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-light);
}

.navbar__overlay-btn--outline {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
}

.navbar__overlay-btn--outline:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

/* Footer area inside overlay */
.navbar__overlay-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.5s var(--ease-out),
    transform 0.5s var(--ease-out);
  transition-delay: 0s;
}

.navbar__overlay.is-open .navbar__overlay-footer {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.45s;
}

.navbar__overlay-footer a,
.navbar__overlay-footer span {
  font-family: 'DM Mono', 'Courier New', monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast) var(--ease-out);
}

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

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1279px) {
  .navbar__links,
  .navbar__cta,
  .navbar__actions,
  .navbar__dropdown {
    display: none;
  }

  .navbar__burger {
    display: flex;
  }
}

@media (min-width: 1280px) {
  .navbar__burger {
    display: none;
  }

  .navbar__overlay {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Theme Toggle (sun / moon)
   -------------------------------------------------------------------------- */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--text-secondary);
  transition: color var(--transition-fast) var(--ease-out),
              transform var(--transition-fast) var(--ease-out);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--accent);
}

.theme-toggle:active {
  transform: scale(0.9);
}

.theme-toggle__icon {
  width: 19px;
  height: 19px;
}

/* Dark theme shows the sun (click = go light); light shows the moon */
.theme-toggle__icon--moon {
  display: none;
}

:root[data-theme="light"] .theme-toggle__icon--sun {
  display: none;
}

:root[data-theme="light"] .theme-toggle__icon--moon {
  display: block;
}

/* Mobile cluster: theme toggle sits beside the burger */
.navbar__mobile-controls {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

@media (min-width: 1280px) {
  .navbar__mobile-controls {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Light theme: the logo artwork is white — invert it to near-black
   -------------------------------------------------------------------------- */

:root[data-theme="light"] .navbar__logo-img {
  filter: invert(1) brightness(0.9);
}

/* --------------------------------------------------------------------------
   Desktop nav fit (added 1.3.1 for the Flat Fees tab + longer CTA)
   -------------------------------------------------------------------------- */

.navbar__link,
.navbar__dropdown-trigger,
.navbar__pay,
.navbar__cta {
  white-space: nowrap;
}

/* Mid desktop: tighten everything so the full menu fits evenly */
@media (min-width: 1280px) and (max-width: 1599px) {
  .navbar__inner {
    gap: clamp(1rem, 2vw, 2rem);
  }

  .navbar__links {
    gap: clamp(1.1rem, 1.6vw, 1.75rem);
  }

  .navbar__link,
  .navbar__dropdown-trigger,
  .navbar__pay {
    letter-spacing: 0.08em;
  }

  .navbar__pay {
    padding-left: 0.875rem;
    padding-right: 0.875rem;
  }

  .navbar__cta {
    padding: 0.75rem 1rem;
    letter-spacing: 0.08em;
  }

  .navbar__logo-img {
    height: 34px;
  }
}

/* Wide screens: let the bar breathe instead of packing into 1400px */
@media (min-width: 1600px) {
  .navbar__inner {
    max-width: 1680px;
  }
}

/* Mobile overlay: multi-word labels wrap as one unit with a small ™ */
.navbar__overlay-link-text {
  line-height: 1.15;
}

.navbar .navbar__overlay-link .tm {
  font-size: 0.4em;
  vertical-align: 1.1em;
  margin-left: 0.05em;
}