* {
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: border-box;
}

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  gap: 16px;
  width: 100%;
  padding: 20px 8%;
  backdrop-filter: blur(10px);
  background: rgba(11, 19, 35, 0.88);
  border-bottom: 1px solid rgba(148, 163, 184, 0.24);
}

.navbar-brand {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.navbar-brand.active-brand {
  color: #7dd3fc;
  text-shadow: 0 0 14px rgba(56, 189, 248, 0.65);
}

.navbar-links {
  display: flex;
  gap: 24px;
}

.navbar-links a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid rgba(148, 163, 184, 0.38);
  border-radius: 8px;
  padding: 6px 12px;
  background: rgba(30, 41, 59, 0.35);
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.navbar-menu {
  display: block;
}

.navbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  border-radius: 8px;
  background: rgba(30, 41, 59, 0.6);
  padding: 8px;
  cursor: pointer;
}

.navbar-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.navbar-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.navbar a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 400;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.navbar a:hover {
  color: #38bdf8;
}

.navbar-links a:hover {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.6);
  background: rgba(30, 41, 59, 0.65);
}

.navbar-links a.active {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.8);
  background: rgba(30, 41, 59, 0.78);
}

@media (max-width: 960px) {
  .navbar {
    padding: 16px 6%;
  }

  .navbar-links {
    gap: 12px;
  }

  .navbar-links a {
    font-size: 0.9rem;
    padding: 6px 10px;
  }
}

@media (max-width: 780px) {
  .navbar {
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 14px 5%;
  }

  .navbar-toggle {
    display: block;
    position: absolute;
    top: 10px;
    right: 5%;
  }

  .navbar-menu {
    display: none;
    position: fixed;
    top: var(--navbar-height, 72px);
    left: 0;
    right: 0;
    background: rgba(11, 19, 35, 0.96);
    border-bottom: 1px solid rgba(148, 163, 184, 0.24);
    padding: 10px 0 14px;
    z-index: 1199;
    max-height: calc(100vh - var(--navbar-height, 72px));
    overflow-y: auto;
  }

  .navbar-menu.open {
    display: block;
  }

  .navbar-links {
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .navbar-brand {
    font-size: 0.95rem;
    width: auto;
    max-width: calc(100% - 64px);
    text-align: center;
    margin: 0 auto;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .navbar-links a {
    width: 100%;
    text-align: center;
    font-size: 0.92rem;
    padding: 8px 10px;
  }
}