/* ============================================================
   navbar.css — Sticky dark navigation
   ============================================================ */

/* ── Base ──────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color_bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition:
    box-shadow var(--t_base),
    border-color var(--t_base);
}

/* Elevated shadow when user scrolls */
.navbar.is_scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* ── Inner row ─────────────────────────────────────────────── */
.navbar_inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp_4);
  height: 70px;
}

/* ── Logo ──────────────────────────────────────────────────── */
.navbar_logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.navbar_logo img {
  width: auto;
  height: 40px;
  display: block;
  object-fit: contain;
}

/* ── Desktop nav ───────────────────────────────────────────── */
.navbar_nav {
  display: none; /* hidden on mobile */
}

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

.navbar_link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  font-family: var(--font_body);
  font-size: 0.8125rem;
  font-weight: var(--fw_medium);
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  border-radius: var(--radius_sm);
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition:
    color var(--t_fast),
    background-color var(--t_fast);
}

.navbar_link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0.875rem;
  right: 0.875rem;
  height: 2px;
  background: var(--color_accent);
  border-radius: var(--radius_full);
  opacity: 0;
  transform: scaleX(0);
  transition:
    opacity var(--t_fast),
    transform var(--t_fast);
}

.navbar_link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.07);
}

.navbar_link.is_active,
.navbar_link[aria-current="page"] {
  color: #fff;
}

.navbar_link.is_active::after,
.navbar_link[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

/* ── Right side: CTA + burger ──────────────────────────────── */
.navbar_end {
  display: flex;
  align-items: center;
  gap: var(--sp_3);
  flex-shrink: 0;
}

/* CTA button — hidden on smallest screens, visible from 480px */
.navbar_cta {
  display: none;
}
@media (min-width: 480px) {
  .navbar_cta {
    display: inline-flex;
  }
}

/* ── Burger button ─────────────────────────────────────────── */
.navbar_burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius_sm);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background var(--t_fast),
    border-color var(--t_fast);
}

.navbar_burger:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.burger_line {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
  transform-origin: center;
  transition:
    transform var(--t_base),
    opacity var(--t_fast),
    width var(--t_base),
    background var(--t_fast);
}

/* Burger → X animation */
.navbar_burger.is_open .burger_line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar_burger.is_open .burger_line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar_burger.is_open .burger_line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.navbar_burger.is_open .burger_line {
  background: #fff;
}

/* ── Mobile navigation panel ───────────────────────────────── */
.navbar_mobile {
  display: none; /* jQuery controls visibility */
  background-color: var(--color_bg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.navbar_mobile .container {
  padding-block: var(--sp_4);
  display: flex;
  flex-direction: column;
  gap: var(--sp_1);
}

.navbar_mobile_links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.navbar_mobile_link {
  display: flex;
  align-items: center;
  gap: var(--sp_3);
  padding: 0.75rem var(--sp_3);
  font-family: var(--font_body);
  font-size: var(--text_body);
  font-weight: var(--fw_medium);
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  border-radius: var(--radius_sm);
  transition:
    color var(--t_fast),
    background-color var(--t_fast);
}

.navbar_mobile_link i {
  width: 18px;
  font-size: var(--text_sm);
  color: var(--color_accent);
  text-align: center;
  flex-shrink: 0;
}

.navbar_mobile_link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.navbar_mobile_link.is_active {
  color: var(--color_accent);
  background: rgba(22, 184, 160, 0.08);
}

/* Divider between links and CTA */
.navbar_mobile_cta {
  margin-top: var(--sp_3);
  padding-top: var(--sp_3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ── Dropdown trigger button ───────────────────────────────── */
.navbar_dropdown_trigger {
  background: none;
  border: none;
  cursor: pointer;
  gap: 0.35rem;
  font-family: var(--font_body);
}

/* Suppress the active underline on dropdown triggers */
.navbar_dropdown_trigger::after {
  display: none !important;
}

.dropdown_chevron {
  font-size: 0.6rem;
  transition: transform var(--t_base);
  margin-top: 1px;
}

/* ── Dropdown panel ────────────────────────────────────────── */
.navbar_dropdown_item {
  position: relative;
}

.navbar_dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background-color: #18161A;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius_md);
  padding: var(--sp_2) 0;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  z-index: 200;
  list-style: none;
  margin: 0;
}

/* Shown via JS .is_open class only */
.navbar_dropdown_item.is_open .navbar_dropdown {
  display: block;
}

.navbar_dropdown_item.is_open .dropdown_chevron {
  transform: rotate(180deg);
}

.navbar_dropdown_item.is_open .navbar_dropdown_trigger {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.07);
}

/* Group label at top of dropdown panel */
.navbar_dropdown_heading {
  padding: 0.5rem 1.125rem 0.25rem;
  font-family: var(--font_body);
  font-size: 0.6875rem;
  font-weight: var(--fw_semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color_accent);
  pointer-events: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: var(--sp_1);
}

.navbar_dropdown a {
  display: block;
  padding: 0.5rem 1.125rem;
  font-family: var(--font_body);
  font-size: 0.8125rem;
  font-weight: var(--fw_medium);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  white-space: nowrap;
  transition:
    color var(--t_fast),
    background-color var(--t_fast);
}

.navbar_dropdown a:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.07);
}

.navbar_dropdown a.is_active {
  color: var(--color_accent);
}

/* ── Mobile accordion group ────────────────────────────────── */
.navbar_mobile_group {
  display: flex;
  flex-direction: column;
}

.navbar_mobile_group_toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem var(--sp_3);
  background: none;
  border: none;
  border-radius: var(--radius_sm);
  cursor: pointer;
  color: rgba(255, 255, 255, 0.75);
  transition:
    color var(--t_fast),
    background-color var(--t_fast);
}

.navbar_mobile_group_toggle:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.navbar_mobile_group_toggle.is_open {
  color: var(--color_accent);
  background: rgba(22, 184, 160, 0.08);
}

.navbar_mobile_group_label {
  display: flex;
  align-items: center;
  gap: var(--sp_3);
  font-family: var(--font_body);
  font-size: var(--text_body);
  font-weight: var(--fw_medium);
}

.navbar_mobile_group_label i {
  width: 18px;
  font-size: var(--text_sm);
  color: var(--color_accent);
  text-align: center;
  flex-shrink: 0;
}

.navbar_mobile_group_toggle.is_open .navbar_mobile_group_label i {
  color: var(--color_accent);
}

.navbar_mobile_group_chevron {
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.4);
  transition: transform var(--t_base);
  flex-shrink: 0;
}

.navbar_mobile_group_toggle.is_open .navbar_mobile_group_chevron {
  transform: rotate(180deg);
  color: var(--color_accent);
}

.navbar_mobile_group_links {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--sp_2) 0;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 0 var(--radius_sm) var(--radius_sm);
}

.navbar_mobile_sub_link {
  display: block;
  padding: 0.5rem var(--sp_3) 0.5rem calc(var(--sp_3) + 30px);
  font-family: var(--font_body);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  border-radius: var(--radius_sm);
  transition:
    color var(--t_fast),
    background-color var(--t_fast);
}

.navbar_mobile_sub_link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.navbar_mobile_sub_link.is_active {
  color: var(--color_accent);
}

/* ── Desktop breakpoint ────────────────────────────────────── */
@media (min-width: 1024px) {
  .navbar_inner {
    height: 72px;
  }

  /* Show desktop nav */
  .navbar_nav {
    display: flex;
    align-items: center;
  }

  /* Hide burger */
  .navbar_burger {
    display: none;
  }

  /* Always show desktop CTA */
  .navbar_cta {
    display: inline-flex;
  }

  /* Never show mobile panel on desktop */
  .navbar_mobile {
    display: none !important;
  }
}