:root{
  --nav-bg: rgba(10, 16, 32, 0.60);
  --nav-border: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.65);
}

*{ box-sizing:border-box; }
body{ margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; color: var(--text); }

.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 18px;
}

.nav__inner{
  max-width: 1100px;
  margin: 0 auto;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;

  background: var(--nav-bg);
  border: 1px solid var(--nav-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  padding: 10px 14px;
}

.nav__brand{
  display:flex;
  align-items:center;
  gap: 10px;
  text-decoration:none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.nav__logo{
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.nav__brandText{
  font-size: 14px;
  opacity: 0.95;
}

.nav__menu{
  display:flex;
  align-items:center;
  gap: 6px;
}

.nav__link{
  appearance:none;
  background: transparent;
  border: 0;
  color: var(--text);
  text-decoration:none;
  font: inherit;
  padding: 10px 12px;
  border-radius: 12px;
  cursor:pointer;
  line-height: 1;
  white-space: nowrap;
}

.nav__link:hover{
  background: rgba(15, 23, 42, 0.06);
}

.nav__link:focus-visible{
  outline: 2px solid rgba(37, 99, 235, 0.45);
  outline-offset: 2px;
}

.nav__dropdown{
  position: relative;
}

.nav__dropBtn{
  display:flex;
  align-items:center;
  gap: 8px;
}

.nav__chev{
  font-size: 12px;
  opacity: 0.7;
  transform: translateY(1px);
}

.nav__dropMenu{
  position:absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;

  background: rgba(10, 16, 32, 0.75);
  border: 1px solid var(--nav-border);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  padding: 8px;
  display:none;
}

.nav__dropdown.is-open .nav__dropMenu{
  display:block;
}

.nav__dropItem{
  display:block;
  padding: 10px 10px;
  border-radius: 10px;
  text-decoration:none;
  color: var(--text);
}

.nav__dropItem:hover{
  background: rgba(15, 23, 42, 0.06);
}

.nav__toggle{
  display:none;
  width: 42px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--nav-border);
  background: rgba(255,255,255,0.65);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  gap: 5px;
}

.nav__toggle span{
  display:block;
  width: 18px;
  height: 2px;
  background: rgba(15,23,42,0.85);
  border-radius: 999px;
}

.nav__brand{
  position: relative;
}

.nav__logo{
  transform-origin: left center;
  transition: transform .18s ease, filter .18s ease;
  will-change: transform;
}

.nav__brand:hover .nav__logo,
.nav__brand:focus-visible .nav__logo{
  transform: scale(1.06);
  filter: drop-shadow(0 10px 26px rgba(96,165,250,0.22));
}

.nav__brand::after{
  content:"";
  position:absolute;
  inset: -8px -10px;
  border-radius: 16px;
  opacity: 0;
  transition: opacity .18s ease;
  pointer-events:none;
}

.nav__brand:hover::after,
.nav__brand:focus-visible::after{
  opacity: 1;
}

.nav__brand:hover .nav__brandText{
  color: rgba(255,255,255,0.98);
}

.nav__link{
  appearance:none;
  background: transparent;
  border: 0;
  text-decoration:none;

  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.35px;

  color: rgba(255,255,255,0.82);

  padding: 10px 14px;
  border-radius: 12px;
  cursor:pointer;

  position: relative;
  transition: 
    color .18s ease,
    transform .15s ease,
    background .18s ease;
}

.nav__link::after{
  content:"";
  position:absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transform: scaleX(0.6);
  transition: opacity .18s ease, transform .18s ease;
}

.nav__link:hover{
  color: rgba(255,255,255,0.98);
  transform: translateY(-1px);
}

.nav__link:hover::after{
  opacity: 1;
  transform: scaleX(1);
}
.nav__link.is-active{
  color: white;
  font-weight: 700;
}

.nav__link.is-active::after{
  opacity: 1;
  transform: scaleX(1);
  background: var(--accent);
}
.nav__link.is-active{
  text-shadow: 0 0 14px rgba(96,165,250,0.35);
}

/* Responsive */
@media (max-width: 860px){
  .nav__toggle{ display:flex; }

  .nav__menu{
    position: absolute;
    left: 18px;
    right: 18px;
    top: calc(100% + 10px);

    max-width: 1100px;
    margin: 0 auto;

    background: rgba(255,255,255,0.92);
    border: 1px solid var(--nav-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    padding: 10px;
    display:none;

    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav__menu.is-open{ display:flex; }

  .nav__link{
    width: 100%;
    justify-content: space-between;
    padding: 12px 12px;
  }

  .nav__dropMenu{
    position: static;
    display:none;
    margin-top: 6px;
  }

  .nav__dropdown.is-open .nav__dropMenu{
    display:block;
  }
}

@media (min-width: 861px){
  .nav__dropdown:hover .nav__dropMenu,
  .nav__dropdown:focus-within .nav__dropMenu{
    display: block;
  }

  .nav__dropdown:hover .nav__chev,
  .nav__dropdown:focus-within .nav__chev{
    transform: translateY(1px) rotate(180deg);
  }
}
@media (max-width: 860px){
  .nav__toggle{ display:flex; }

  .nav__menu{
    position: absolute;
    left: 18px;
    right: 18px;
    top: calc(100% + 10px);

    max-width: 1100px;
    margin: 0 auto;
    background: rgba(10, 16, 32, 0.92);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    box-shadow: 0 18px 50px rgba(0,0,0,0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    padding: 10px;
    display:none;

    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav__menu.is-open{ display:flex; }

  .nav__menu .nav__link{
    color: rgba(255,255,255,0.92);
    width: 100%;
    justify-content: space-between;
    padding: 12px 12px;
  }

  .nav__menu .nav__link:hover{
    background: rgba(255,255,255,0.08);
    transform: none;
  }

  .nav__dropMenu{
    position: static;
    display:none;
    margin-top: 6px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.10);
  }

  .nav__dropdown.is-open .nav__dropMenu{
    display:block;
  }

  .nav__dropItem:hover{
    background: rgba(255,255,255,0.08);
  }
}
.nav__toggle{
  background: rgba(10, 16, 32, 0.55);
}
.nav__toggle span{
  background: rgba(255,255,255,0.90);
}