.navbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  padding: 0 20px;
  height: 74px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}

.brand span {
  font-size: 26px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 26px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;

  width: 0;
  height: 2px;

  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));

  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.portfolio-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
}

.mobile-nav {
  position: fixed;
  top: 82px;
  left: 50%;
  transform: translate(-50%, -16px);
  width: min(1180px, calc(100% - 24px));
  z-index: 99;

  display: grid;
  gap: 8px;

  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 22px;

  background: rgba(15, 23, 42, .92);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);

  opacity: 0;
  pointer-events: none;
  transition: .3s ease;
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.mobile-nav a {
  padding: 14px 16px;
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.mobile-nav a:hover {
  background: rgba(56, 189, 248, .12);
  color: var(--primary);
}

@media (max-width: 1000px) {
  .nav-links {
    display: none;
  }

  .portfolio-menu-toggle {
    display: grid;
    place-items: center;
  }
}
@media (max-width: 1000px) {
  .navbar {
    height: 70px;
  }

  .brand {
    min-width: 0;
  }

  .brand span + * {
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 0;
  }

  .brand span {
    font-size: 26px;
  }

  .theme-toggle,
  .portfolio-menu-toggle {
    width: 42px;
    height: 42px;
  }
}

/* ==========================================
   NAVIGATION DROPDOWN - FINAL v1.0
========================================== */
.nav-links {
  align-items: center;
  gap: 18px;
}

.nav-links a,
.nav-more-toggle {
  white-space: nowrap;
}

.nav-more {
  position: relative;
}

.nav-more-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;

  border: 0;
  background: transparent;
  color: var(--muted);

  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.nav-more-toggle:hover,
.nav-more.open .nav-more-toggle {
  color: var(--accent);
}

.nav-more-toggle i {
  font-size: 12px;
  transition: transform .25s ease;
}

.nav-more.open .nav-more-toggle i {
  transform: rotate(180deg);
}

.nav-more-menu {
  position: absolute;
  top: calc(100% + 18px);
  right: 0;
  z-index: 140;

  width: 220px;
  display: grid;
  gap: 6px;

  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 18px;

  background: rgba(15, 23, 42, .96);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}

.nav-more.open .nav-more-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-more-menu a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 12px;
}

.nav-more-menu a::after {
  display: none;
}

.nav-more-menu a:hover,
.nav-more-menu a.active {
  background: rgba(56, 189, 248, .12);
  color: var(--primary);
}

@media (max-width: 1160px) {
  .nav-links {
    gap: 14px;
  }

  .nav-links a,
  .nav-more-toggle {
    font-size: 13px;
  }
}

@media (max-width: 1000px) {
  .nav-more-menu {
    display: none;
  }
}