/* ============================================================
   BRIGHTFLOWER STUDIOS — Navigation System
   Data-driven panel menu
   ============================================================ */


/* ============================================================
   SITE HEADER
   ============================================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  pointer-events: none;
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  min-height: 80px;
  margin: 12px auto 0;
  width: calc(100% - (var(--site-gutter) * 2));
  padding: 0;
  pointer-events: none;
  container-type: inline-size;
}


/* === BRAND === */

.brand {
  display: flex;
  flex-direction: row-reverse;
  gap: 12px;
  align-items: center;
  margin-left: auto;
  text-align: right;
  font-family: var(--font-heading);
  color: var(--deep-blue);
  font-weight: 600;
  letter-spacing: .02em;
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.site-header.is-brand-visible .brand {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.brand svg,
.brand img {
  width: 42px;
  height: 42px;
}

.brand span small {
  display: block;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}


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

.nav-toggle {
  order: -1;
  display: inline-flex;
  --nav-lotus-x-color: #54b3eb;
  gap: 0.7rem;
  align-items: center;
  justify-content: center;
  min-height: clamp(2.5rem, 4cqi, 3rem);
  padding: clamp(0.5rem, 0.9cqi, 0.65rem) clamp(0.9rem, 1.6cqi, 1.3rem);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 0;
  margin-right: auto;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--deep-blue);
  box-shadow: 0 0.5rem 1.5rem rgba(26,58,92,.08);
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity var(--nav-toggle-opacity-duration, 0.45s) ease,
    visibility 0.45s ease,
    transform 0.45s ease,
    height 0.32s ease,
    box-shadow 0.24s ease;
}

body.brightflower-homepage .nav-toggle {
  --nav-toggle-opacity-duration: 5s;
}

body.brightflower-homepage:not(.brightflower-hero-entered) .nav-toggle {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-0.35rem);
}

.nav-toggle .icon {
  width: 2.175rem;
  height: 2.175rem;
  border-radius: 999px;
  position: relative;
  flex: 0 0 auto;
}

.nav-toggle .lotus-menu-icon,
.nav-toggle .icon::before,
.nav-toggle .icon::after {
  content: "";
  position: absolute;
  inset: 0;
  transition: opacity .25s ease, transform .25s ease;
}

.nav-toggle .lotus-menu-icon {
  display: block;
  background: url("../assets/images/lotus_icon.png") center / contain no-repeat;
}

.nav-toggle .icon::before,
.nav-toggle .icon::after {
  left: 0.1rem;
  right: 0.1rem;
  top: 50%;
  bottom: auto;
  height: 0.125rem;
  background: var(--nav-lotus-x-color);
  border-radius: 999px;
  opacity: 0;
}

.nav-toggle .icon::before { transform: translateY(-50%) rotate(0deg); }
.nav-toggle .icon::after  { transform: translateY(-50%) rotate(0deg); }

.nav-toggle-text {
  font-size: clamp(1.05rem, 1.55cqi, 1.25rem);
  line-height: 1;
  color: var(--nav-lotus-x-color);
}

.nav-open .nav-toggle .lotus-menu-icon {
  opacity: 0;
  transform: scale(0.86);
}

.nav-open .nav-toggle .icon::before {
  opacity: 1;
  transform: translateY(-50%) rotate(45deg);
}

.nav-open .nav-toggle .icon::after {
  opacity: 1;
  transform: translateY(-50%) rotate(-45deg);
}

/* ============================================================
   PANEL NAVIGATION
   ============================================================ */

.mobile-nav {
  --menu-panel-padding: clamp(1.35rem, 2.4cqi, 2rem);
  --menu-panel-base-width: clamp(18rem, 44cqi, 35rem);
  --menu-panel-width: min(var(--menu-panel-base-width), 25vw);
  --menu-root-panel-width: clamp(14rem, 50cqi, 28rem);
  --menu-child-panel-width: var(--menu-root-panel-width);
  --menu-section-panel-width: var(--menu-child-panel-width);
  --menu-link-panel-width: var(--menu-child-panel-width);
  --menu-root-heading-size: clamp(1.25rem, 3.2cqi, 1.6rem);
  --menu-root-link-size: clamp(1.05rem, 3.2cqi, 1.5rem);
  --menu-root-note-size: clamp(0.78rem, 1.9cqi, 0.9rem);
  --menu-child-heading-size: var(--menu-root-heading-size);
  --menu-child-link-size: var(--menu-root-link-size);
  --menu-child-note-size: var(--menu-root-note-size);
  --menu-panel-gap: 0rem;
  --menu-panel-overlap: clamp(0.65rem, 1.4cqi, 1rem);
  --menu-panel-radius: clamp(1rem, 1.8cqi, 1.5rem);
  position: fixed;
  top: clamp(5.8rem, 8cqi, 6.8rem);
  right: var(--site-gutter);
  bottom: var(--site-gutter);
  left: var(--site-gutter);
  z-index: 95;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.75rem);
  transition: opacity .22s ease, transform .22s ease;
  container-type: inline-size;
}

.nav-open .mobile-nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-panels {
  position: relative;
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.mobile-panels::-webkit-scrollbar {
  display: none;
}

.mobile-panel {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--menu-panel-width);
  overflow: auto;
  padding: var(--menu-panel-padding);
  border: 1px solid rgba(255,255,255,.68);
  border-radius: 0;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transform: translateX(-1rem) scaleX(0.98);
  transform-origin: left center;
  transition: opacity .22s ease, transform .28s ease;
  opacity: 0;
  pointer-events: none;
}

.mobile-panel[data-level="0"] {
  display: flex;
  flex-direction: column;
  width: var(--menu-root-panel-width);
  z-index: 1;
  border-top-left-radius: var(--menu-panel-radius);
  border-top-right-radius: var(--menu-panel-radius);
  border-bottom-left-radius: var(--menu-panel-radius);
  border-bottom-right-radius: var(--menu-panel-radius);
}

.mobile-panel[data-level="1"] {
  width: var(--menu-section-panel-width);
  z-index: 2;
  left: var(--menu-level-1-left, calc(var(--menu-root-panel-width) + var(--menu-panel-gap) - var(--menu-panel-overlap)));
  border-left: 0;
  border-top-left-radius: var(--menu-panel-radius);
  border-top-right-radius: var(--menu-panel-radius);
  border-bottom-left-radius: var(--menu-panel-radius);
  border-bottom-right-radius: var(--menu-panel-radius);
  padding-left: calc(var(--menu-panel-padding) + var(--menu-panel-overlap));
}

.mobile-panel[data-level="2"] {
  width: var(--menu-link-panel-width);
  z-index: 3;
  left: var(--menu-level-2-left, calc(var(--menu-root-panel-width) + var(--menu-section-panel-width) + (var(--menu-panel-gap) * 2) - (var(--menu-panel-overlap) * 2)));
  border-left: 0;
  border-top-left-radius: var(--menu-panel-radius);
  border-top-right-radius: var(--menu-panel-radius);
  border-bottom-left-radius: var(--menu-panel-radius);
  border-bottom-right-radius: var(--menu-panel-radius);
  padding-left: calc(var(--menu-panel-padding) + var(--menu-panel-overlap));
}

.mobile-panel[data-level="2"] {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(232,213,245,.42) 0%, transparent 58%),
    radial-gradient(ellipse at 80% 20%, rgba(213,232,245,.5) 0%, transparent 52%),
    #dce0f4;
}

.mobile-panel[data-level="1"] {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(232,213,245,.42) 0%, transparent 58%),
    radial-gradient(ellipse at 80% 20%, rgba(213,232,245,.5) 0%, transparent 52%),
    #e8eaf8;
}

.mobile-panel[data-level="0"] {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(232,213,245,.42) 0%, transparent 58%),
    radial-gradient(ellipse at 80% 20%, rgba(213,232,245,.5) 0%, transparent 52%),
    #f4f5fc;
}

.mobile-panel.active {
  opacity: 1;
  transform: translateX(0) scaleX(1);
}

.nav-open .mobile-panel.active {
  pointer-events: auto;
}

.mobile-panel-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(1.25rem, 2.5cqi, 2rem);
}

.mobile-panel h3 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-size: var(--menu-child-heading-size);
  font-weight: 500;
  line-height: 1.1;
  margin: 0;
}

.mobile-panel[data-level="1"] .mobile-link,
.mobile-panel[data-level="2"] .mobile-link {
  font-size: var(--menu-child-link-size);
}

.mobile-panel[data-level="1"] .mobile-link small,
.mobile-panel[data-level="2"] .mobile-link small {
  font-size: var(--menu-child-note-size);
}

.mobile-list {
  display: grid;
  gap: clamp(0.55rem, 1cqi, 0.8rem);
}

.mobile-panel[data-level="0"] .mobile-list {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: stretch;
  gap: 0;
}

.mobile-panel[data-level="0"] .mobile-link {
  flex: 1 1 0;
  align-items: center;
  padding-block: 0;
  font-size: var(--menu-root-link-size);
}

.mobile-panel[data-level="0"] h3 {
  font-size: var(--menu-root-heading-size);
}

.mobile-panel.is-panel-compact .mobile-link small {
  display: none;
}

.mobile-panel[data-level="0"] .mobile-link small {
  font-size: var(--menu-root-note-size);
}

.mobile-link {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  width: 100%;
  padding: clamp(0.55rem, 1.2cqi, 0.85rem) 0;
  border: 0;
  border-bottom: 1px solid rgba(26,58,92,.08);
  border-radius: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  font-family: var(--font-heading);
  color: var(--deep-blue);
  font-size: clamp(1.05rem, 2cqi, 1.5rem);
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  text-align: left;
  cursor: pointer;
  transition: color .18s ease, transform .18s ease;
}

.mobile-link[data-external-link],
.mobile-link[data-external-link] * {
  cursor: pointer !important;
}

.mobile-link[data-nav-unavailable],
.mobile-link[data-nav-unavailable] * {
  cursor: default;
}

.mobile-link:hover,
.mobile-link:focus-visible {
  color: var(--aquatone);
  transform: translateX(0.25rem);
}

.mobile-link[data-nav-unavailable]:hover,
.mobile-link[data-nav-unavailable]:focus-visible {
  color: var(--deep-blue);
  transform: none;
}

.mobile-link small {
  display: block;
  margin-top: 0.35rem;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--menu-child-note-size);
  font-weight: 400;
  line-height: 1.45;
}

.mobile-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: clamp(2.35rem, 4cqi, 3rem);
  min-height: clamp(2.35rem, 4cqi, 3rem);
  border: 0;
  background: none;
  padding: 0;
  color: var(--deep-blue);
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
}

.mobile-close {
  font-size: clamp(1.8rem, 3.2cqi, 2.35rem);
  line-height: 1;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1023px) {
  :root { --site-gutter: clamp(16px,3.5vw,28px); }
}

@media (max-width: 56.25em) {
  .nav-toggle {
    --nav-toggle-size: clamp(3.25rem, 8vw, 4rem);
    display: grid;
    place-items: center;
    gap: 0;
    align-self: flex-start;
    position: relative;
    flex: 0 0 var(--nav-toggle-size);
    width: var(--nav-toggle-size);
    min-width: var(--nav-toggle-size);
    max-width: var(--nav-toggle-size);
    height: var(--nav-toggle-size);
    min-height: var(--nav-toggle-size);
    max-height: var(--nav-toggle-size);
    aspect-ratio: 1 / 1;
    padding: 0;
    line-height: 0;
    overflow: visible;
    border-radius: 50%;
    box-shadow: 0 0.45rem 1.15rem rgba(26,58,92,.16);
  }

  .nav-toggle .icon {
    width: clamp(2.175rem, calc(var(--nav-toggle-size) * 0.67), 2.65rem);
    height: clamp(2.175rem, calc(var(--nav-toggle-size) * 0.67), 2.65rem);
    grid-area: 1 / 1;
  }

  .nav-toggle-text {
    display: block;
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 50%;
    margin: 0;
    font-size: clamp(0.72rem, 2.8vw, 0.82rem);
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 1;
    color: #fff;
    opacity: 0;
    pointer-events: none;
    text-shadow: 0 0.25rem 0.7rem rgba(26,58,92,.2);
    text-transform: uppercase;
    transform: translate(-50%, -0.2rem);
    transition: opacity 0.24s ease, transform 0.24s ease;
    white-space: nowrap;
  }

  .nav-toggle:hover .nav-toggle-text,
  .nav-toggle:focus-visible .nav-toggle-text {
    opacity: 1;
    transform: translate(-50%, 0);
  }

  .nav-open .nav-toggle-text {
    opacity: 0;
    transform: translate(-50%, -0.2rem);
  }

  .nav-toggle .nav-toggle-text {
    animation: nav-menu-label-hint 16s ease-in-out 3s infinite;
  }

  body.brightflower-homepage:not(.brightflower-hero-entered) .nav-toggle .nav-toggle-text,
  .nav-open .nav-toggle .nav-toggle-text,
  .nav-toggle:hover .nav-toggle-text,
  .nav-toggle:focus-visible .nav-toggle-text {
    animation: none;
  }

  @keyframes nav-menu-label-hint {
    0%, 18%, 100% {
      opacity: 0;
      transform: translate(-50%, -0.2rem);
    }

    7%, 12% {
      opacity: 1;
      transform: translate(-50%, 0);
    }
  }
}

@media (max-width: 767px) {
  :root { --site-gutter: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}