#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--color-primary);
  z-index: 1001;
  transition: width 0.25s ease, opacity 0.25s ease;
}

.topnav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 24px;
  background: rgba(var(--rgb-bg), 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(var(--rgb-border), 0.72);
  transition: background-color 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, backdrop-filter 0.28s ease;
}

.home-page .topnav {
  background: transparent;
  backdrop-filter: blur(0);
  border-bottom-color: transparent;
  box-shadow: none;
}

.topnav.scrolled,
.topnav.menu-open {
  background: rgba(var(--rgb-bg), 0.88);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(var(--rgb-border), 0.72);
  box-shadow: var(--shadow-dark);
}

.nav-container {
  width: min(1200px, 100%);
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
}

.logo img {
  width: 30px;
  height: 30px;
}

.logo span {
  color: var(--color-white);
  font-size: var(--font-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.nav-links a {
  padding: 10px 15px;
  border-radius: 999px;
  color: var(--color-text-secondary);
  font-size: var(--font-small);
  font-weight: 500;
  line-height: var(--leading-button);
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--color-white);
  background: rgba(var(--rgb-primary), 0.16);
  border-color: rgba(var(--rgb-primary), 0.22);
}

.nav-links a:hover {
  transform: translateY(-1px);
}

.menu-icon {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(var(--rgb-border), 0.82);
  border-radius: 999px;
  background: transparent;
  color: var(--color-white);
  font-size: var(--font-small);
  cursor: pointer;
  transition: border-color 0.22s ease, background-color 0.22s ease, transform 0.22s ease;
}

.menu-icon:hover {
  border-color: rgba(var(--rgb-primary), 0.28);
  background: rgba(var(--rgb-primary), 0.12);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .topnav {
    padding-inline: 16px;
  }

  .logo span {
    font-size: 12px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 16px;
    left: 16px;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-radius: 20px;
    background: rgba(var(--rgb-surface), 0.96);
    border: 1px solid rgba(var(--rgb-border), 0.82);
    box-shadow: 0 18px 36px rgba(var(--rgb-bg), 0.28);
    backdrop-filter: blur(16px);
  }

  .nav-links a {
    padding: 12px 14px;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-icon {
    display: inline-flex;
  }
}

@media (max-width: 560px) {
  .logo span {
    display: none;
  }
}