/**
 * Proxy Grove — Enterprise Navbar
 * Sticky glass nav · mega menus · mobile drawer
 * Uses Grove brand tokens only
 */

:root {
  --pg-nav-height: 4.25rem;
  --pg-nav-z: 100;
}

body {
  padding-top: var(--pg-nav-height);
}

.pg-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--pg-nav-z);
  height: var(--pg-nav-height);
  overflow: visible;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease;
  background: transparent;
  border-bottom: 1px solid transparent;
}

/* Glass layer on a pseudo — NOT on .pg-nav itself.
   backdrop-filter on .pg-nav would trap position:fixed mobile drawer. */
.pg-nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease,
    backdrop-filter 0.3s ease,
    border-color 0.3s ease;
}

.pg-nav.is-scrolled {
  border-bottom-color: rgb(19 0 154 / 0.08);
  box-shadow: 0 8px 32px rgb(19 0 154 / 0.08);
}

.pg-nav.is-scrolled::before {
  background: color-mix(in srgb, var(--color-surface-raised, #ffffff) 88%, transparent);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom-color: rgb(19 0 154 / 0.08);
}

.pg-nav__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Logo */
.pg-nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-text-heading);
  flex-shrink: 0;
  z-index: 2;
}

.pg-nav__logo:focus-visible {
  outline: 2px solid var(--color-text-heading);
  outline-offset: 4px;
  border-radius: 0.5rem;
}

.pg-nav__logo-mark {
  width: 2.125rem;
  height: 2.125rem;
  flex-shrink: 0;
  display: block;
  border-radius: 0.5rem;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.pg-nav__logo:hover .pg-nav__logo-mark {
  transform: rotate(-6deg) scale(1.05);
}

.pg-nav__logo-wordmarks {
  display: inline-grid;
  align-items: center;
}

.pg-nav__logo-wordmark {
  display: block;
  height: 1.35rem;
  width: auto;
  max-width: 9.5rem;
  grid-area: 1 / 1;
}

.pg-nav__logo-wordmark--dark {
  display: none;
}

html.dark .pg-nav__logo-wordmark--light {
  display: none;
}

html.dark .pg-nav__logo-wordmark--dark {
  display: block;
}

.pg-nav__logo-text {
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  white-space: nowrap;
}

.pg-nav__logo-text span {
  font-weight: 600;
  color: color-mix(in srgb, var(--color-text-heading) 70%, transparent);
}

/* Desktop center nav */
.pg-nav__menu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 0.15rem;
}

@media (min-width: 1100px) {
  .pg-nav__menu {
    display: flex;
  }
}

.pg-nav__item {
  position: relative;
}

.pg-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.55rem 0.7rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-body);
  text-decoration: none;
  border-radius: 0.5rem;
  border: 0;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.pg-nav__link:hover,
.pg-nav__item.is-open > .pg-nav__link,
.pg-nav__link[aria-current="page"] {
  color: var(--color-text-heading);
  background: rgb(19 0 154 / 0.05);
}

.pg-nav__link:focus-visible {
  outline: 2px solid var(--color-text-heading);
  outline-offset: 2px;
}

.pg-nav__link::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.3rem;
  height: 2px;
  border-radius: 2px;
  background: var(--color-button-primary-bg);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.pg-nav__link:hover::after,
.pg-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.pg-nav__chevron {
  width: 0.85rem;
  height: 0.85rem;
  transition: transform 0.25s ease;
  opacity: 0.7;
}

.pg-nav__item.is-open .pg-nav__chevron {
  transform: rotate(180deg);
}

/* Mega dropdown */
.pg-nav__mega {
  position: absolute;
  top: calc(100% + 0.65rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 18rem;
  padding: 0.75rem;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--color-surface-raised) 94%, transparent);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgb(19 0 154 / 0.1);
  box-shadow:
    0 4px 6px rgb(19 0 154 / 0.04),
    0 24px 56px rgb(19 0 154 / 0.14);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.22s ease,
    transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.22s;
  z-index: 20;
}

/* Invisible bridge over the gap between the nav button and the dropdown,
   so hover is not lost while moving the cursor down into the menu */
.pg-nav__mega::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -0.85rem;
  height: 0.85rem;
}

.pg-nav__mega--wide {
  min-width: 22rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem;
}

/* Products catalog: exactly 3 items — single column reads as intentional */
#mega-products.pg-nav__mega--wide {
  min-width: 17.5rem;
  grid-template-columns: 1fr;
  gap: 0.1rem;
}

.pg-nav__item.is-open > .pg-nav__mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.pg-nav__mega-link {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.7rem 0.75rem;
  border-radius: 0.75rem;
  text-decoration: none;
  color: var(--color-text-body);
  transition: background 0.18s ease, color 0.18s ease;
}

.pg-nav__mega-link:hover,
.pg-nav__mega-link:focus-visible {
  background: rgb(19 0 154 / 0.06);
  color: var(--color-text-heading);
  outline: none;
}

.pg-nav__mega-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: linear-gradient(145deg, rgb(19 0 154 / 0.1), rgb(19 127 21 / 0.08));
  color: var(--color-text-heading);
  flex-shrink: 0;
}

.pg-nav__mega-icon svg {
  width: 1rem;
  height: 1rem;
}

.pg-nav__mega-title {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: -0.01em;
}

.pg-nav__mega-desc {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.6875rem;
  line-height: 1.35;
  opacity: 0.7;
}

.pg-nav__mega-tag {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.4rem;
  border-radius: 9999px;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
  background: rgb(19 0 154 / 0.08);
  vertical-align: middle;
}

/* Right actions */
.pg-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
  z-index: 2;
}

.pg-nav__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.65rem;
  border: 1px solid rgb(19 0 154 / 0.12);
  background: color-mix(in srgb, var(--color-surface-raised) 70%, transparent);
  color: var(--color-text-heading);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.pg-nav__icon-btn:hover {
  border-color: rgb(19 0 154 / 0.22);
  box-shadow: 0 0 16px rgb(19 0 154 / 0.1);
  transform: translateY(-1px);
}

.pg-nav__icon-btn:focus-visible {
  outline: 2px solid var(--color-text-heading);
  outline-offset: 2px;
}

.pg-nav__icon-btn svg {
  width: 1.1rem;
  height: 1.1rem;
}

.pg-nav__auth {
  display: none;
  align-items: center;
  gap: 0.45rem;
}

@media (min-width: 1100px) {
  .pg-nav__auth {
    display: flex;
  }
}

.pg-nav__login {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 0.65rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-text-heading);
  background: color-mix(in srgb, var(--color-surface-raised) 55%, transparent);
  border: 1px solid rgb(19 0 154 / 0.14);
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.pg-nav__login:hover {
  transform: translateY(-1px);
  border-color: rgb(19 0 154 / 0.28);
  box-shadow: 0 0 20px rgb(19 0 154 / 0.12);
}

.pg-nav__register {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.15rem;
  border-radius: 0.65rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-button-primary-text);
  background: var(--color-button-primary-bg);
  background-image: linear-gradient(135deg, #137f15, #1a9a1c);
  box-shadow: 0 0 20px rgb(19 127 21 / 0.28);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pg-nav__register:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgb(19 127 21 / 0.4);
}

.pg-nav__dashboard {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.15rem;
  border-radius: 0.65rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-button-primary-text);
  background: var(--color-button-primary-bg);
  background-image: linear-gradient(135deg, #13009a, #0000ae);
  box-shadow: 0 0 20px rgb(19 0 154 / 0.28);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pg-nav__dashboard:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgb(19 0 154 / 0.4);
}

.pg-nav__login:focus-visible,
.pg-nav__register:focus-visible,
.pg-nav__dashboard:focus-visible {
  outline: 2px solid var(--color-text-heading);
  outline-offset: 3px;
}

.pg-nav__ripple {
  position: absolute;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.35);
  transform: scale(0);
  animation: pg-nav-ripple 0.5s ease-out forwards;
  pointer-events: none;
}

.pg-nav__login .pg-nav__ripple {
  background: rgb(19 0 154 / 0.15);
}

/* Hamburger */
.pg-nav__burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  width: 2.35rem;
  height: 2.35rem;
  padding: 0.5rem;
  border-radius: 0.65rem;
  border: 1px solid rgb(19 0 154 / 0.12);
  background: color-mix(in srgb, var(--color-surface-raised) 70%, transparent);
  cursor: pointer;
}

@media (min-width: 1100px) {
  .pg-nav__burger {
    display: none;
  }
}

.pg-nav__burger span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--color-text-heading);
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}

.pg-nav__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.pg-nav__burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.pg-nav__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.pg-nav__burger:focus-visible {
  outline: 2px solid var(--color-text-heading);
  outline-offset: 2px;
}

/* Mobile drawer — viewport-fixed full panel (must not sit under a filtered ancestor) */
.pg-nav__drawer {
  position: fixed;
  top: var(--pg-nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: calc(var(--pg-nav-z) + 5);
  background: var(--color-surface-raised, #ffffff);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 1rem 1.25rem 2rem;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s;
  box-shadow: -12px 0 40px rgb(19 0 154 / 0.08);
}

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

@media (min-width: 1100px) {
  .pg-nav__drawer {
    display: none;
  }
}

.pg-nav__drawer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.pg-nav__drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.9rem 0.85rem;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-heading);
  text-decoration: none;
  border: 0;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  min-height: 2.75rem;
}

.pg-nav__drawer-link:hover,
.pg-nav__drawer-link:focus-visible {
  background: rgb(19 0 154 / 0.06);
  outline: none;
}

.pg-nav__drawer-panel {
  display: none;
  padding: 0.25rem 0.5rem 0.75rem 1rem;
}

.pg-nav__drawer-item.is-open > .pg-nav__drawer-panel {
  display: block;
}

.pg-nav__drawer-item.is-open .pg-nav__chevron {
  transform: rotate(180deg);
}

.pg-nav__drawer-sub {
  display: block;
  padding: 0.7rem 0.75rem;
  border-radius: 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-body);
  text-decoration: none;
  min-height: 2.5rem;
}

.pg-nav__drawer-sub:hover {
  background: rgb(19 0 154 / 0.05);
  color: var(--color-text-heading);
}

.pg-nav__drawer-auth {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgb(19 0 154 / 0.1);
}

.pg-nav__drawer-auth .pg-nav__login,
.pg-nav__drawer-auth .pg-nav__register,
.pg-nav__drawer-auth .pg-nav__dashboard {
  width: 100%;
  padding: 0.9rem 1.25rem;
  font-size: 0.9375rem;
  justify-content: center;
}

body.pg-nav-lock {
  overflow: hidden;
}

/* Theme: dark mode (nav + page shell) */
html.dark {
  color-scheme: dark;
}

html.dark body {
  background: #0b0c14;
  color: #e8e9ef;
}

html.dark .pg-nav.is-scrolled {
  border-bottom-color: rgb(255 255 255 / 0.08);
  box-shadow: 0 8px 32px rgb(0 0 0 / 0.35);
}

html.dark .pg-nav.is-scrolled::before {
  background: rgb(18 20 32 / 0.92);
  border-bottom-color: rgb(255 255 255 / 0.08);
}

html.dark .pg-nav__logo,
html.dark .pg-nav__logo-text,
html.dark .pg-nav__link:hover,
html.dark .pg-nav__item.is-open > .pg-nav__link,
html.dark .pg-nav__mega-title,
html.dark .pg-nav__login {
  color: #f0f1f7;
}

html.dark .pg-nav__logo-text span {
  color: rgb(240 241 247 / 0.65);
}

html.dark .pg-nav__link {
  color: rgb(232 233 239 / 0.8);
}

html.dark .pg-nav__mega,
html.dark .pg-nav__drawer {
  background: #161826;
  border-color: rgb(255 255 255 / 0.1);
}

html.dark .pg-nav__icon-btn,
html.dark .pg-nav__burger,
html.dark .pg-nav__login {
  background: rgb(255 255 255 / 0.06);
  border-color: rgb(255 255 255 / 0.12);
  color: #f0f1f7;
}

html.dark .pg-nav__mega-link:hover,
html.dark .pg-nav__drawer-link:hover {
  background: rgb(255 255 255 / 0.06);
}

.pg-nav__icon-btn .pg-nav__theme-moon {
  display: none;
}

html.dark .pg-nav__icon-btn .pg-nav__theme-sun {
  display: none;
}

html.dark .pg-nav__icon-btn .pg-nav__theme-moon {
  display: block;
}

/* Skip link */
.pg-skip {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  z-index: 200;
  padding: 0.55rem 0.9rem;
  border-radius: 0.5rem;
  background: var(--color-surface-raised);
  color: var(--color-text-heading);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-glass);
}

.pg-skip:focus {
  left: 1rem;
}

@media (prefers-reduced-motion: reduce) {
  .pg-nav,
  .pg-nav__mega,
  .pg-nav__drawer,
  .pg-nav__logo-mark,
  .pg-nav__chevron,
  .pg-nav__link::after {
    transition: none !important;
  }
}