/* ============================================================
   NAV
   ============================================================ */
.nav-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;

  transition: all .3s ease;
}

.nav-inner {
  position: relative;

  height: var(--nav-h);

  background: rgba(242,240,251,0.92);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border-bottom: 1px solid rgba(107,64,200,0.10);
  transition: all .3s ease;
}

[data-theme="dark"] .nav-inner {
  background: rgba(18,15,33,0.93);
  border-bottom-color: rgba(139,117,240,0.14);
}

.nav-inner::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;

  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(114,89,224,.20) 30%, rgba(139,117,240,.35) 50%, rgba(114,89,224,.20) 70%, transparent 100%);
  opacity: 0;
  transition: opacity .3s ease;
}

.nav-wrap.scrolled .nav-inner::after { opacity: 1; }
.nav-wrap.scrolled .nav-inner {
  border-bottom-color: transparent;
  box-shadow: 0 4px 32px rgba(45,15,107,.10), 0 1px 0 rgba(114,89,224,.10);
}

[data-theme="dark"] .nav-wrap.scrolled .nav-inner {
  box-shadow: 0 4px 32px rgba(0,0,0,.36), 0 1px 0 rgba(139,117,240,.16);
}

.nav-row {
  display: flex;
  align-items: center;

  height: var(--nav-h);
  max-width: var(--W);
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo halo */
.nav-logo {
  flex-shrink: 0;
  margin-right: 40px;
}

.nav-logo img {
  position: relative;
  z-index: 1;

  width: auto;
  height: 28px;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-item   {
  position: relative;
}

.nav-link {
  display: block;
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color var(--t), background var(--t);
}

.nav-link:hover {
  color: var(--ink);
  background: rgba(114,89,224,.10);
}

.nav-dd {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 210px;
  padding: 8px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
  border: 1px solid var(--border-2);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(45,15,107,.14), 0 1px 0 rgba(114,89,224,.12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--t), transform var(--t);
  z-index: 200;
}

/* Invisible bridge fills the gap so the mouse doesn't exit .nav-item */
.nav-dd::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;

  height: 14px;
}

[data-theme="dark"] .nav-dd {
  background: rgba(30,24,52,0.98);
  box-shadow: 0 8px 40px rgba(0,0,0,.48), 0 0 0 1px rgba(139,117,240,.18), var(--glow-sm);
}

.nav-item:hover .nav-dd,
.nav-item.dd-open .nav-dd,
.nav-item:focus-within .nav-dd {
  opacity: 1;
  pointer-events: all;
  transform: none;
}

.nav-dd a {
  display: block;
  padding: 9px 13px;
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-3);
  border-radius: 9px;
  transition: background var(--t), color var(--t);
}

.nav-dd a:hover {
  background: rgba(114,89,224,.10);
  color: var(--p500);
}

[data-theme="dark"] .nav-dd a:hover {
  color: var(--p300);
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  padding: 7px 14px;
  border-radius: 8px;
  transition: color var(--t), background var(--t);
}

.nav-login:hover {
  color: var(--p500);
  background: rgba(114,89,224,.08);
}

/* Theme toggle */
.nav-theme {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 38px;
  height: 38px;

  color: var(--ink-3);

  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  transition: all var(--t);
}

.nav-theme:hover {
  border-color: var(--border-2);
  color: var(--p500);
  box-shadow: var(--glow-sm);
}

/* Burger */
.burger {
  display: none;
  align-items: center;
  justify-content: center;

  width: 38px;
  height: 38px;
  margin-left: 4px;

  color: var(--ink);
  border-radius: 8px;
}

/* Mobile menu */
.mob-menu {
  position: fixed;
  inset: 0;
  z-index: 999;

  display: none;
  flex-direction: column;
  gap: 4px;

  padding: calc(var(--nav-h) + 24px) 24px 24px;

  background: var(--bg);
  backdrop-filter: blur(24px);
}

.mob-menu.open {
  display: flex;
}

.mob-menu a {
  padding: 14px 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
}

.mob-menu a.btn {
  color: #fff;
}

@media (max-width: 768px) {
  :root {
    --nav-h: 56px;
  }

  .nav-links, .nav-login {
    display: none;
  }

  .burger {
    display: flex;
  }
}

@media (max-width: 425px) {
  .nav-try {
    display: none;
  }
}