.site-header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  background: transparent;
}

.nav-wrap {
  min-height: 120px;
  padding: 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  width: 250px;
  height: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(36px, 4vw, 72px);
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.22s ease;
}

.main-nav a:hover {
  color: var(--text-primary);
}

.btn-get-started {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  background: #ffffff;
  color: #0c1337;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.26);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-get-started:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  margin: 6px 0;
}

.mobile-nav-backdrop {
  display: none;
}

@media (max-width: 980px) {
  body {
    padding-top: 0;
  }

  .nav-wrap {
    min-height: 74px;
    padding: 8px 0;
  }

  .brand img {
    width: 154px;
  }

  .btn-get-started {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 86vw);
    height: 100vh;
    background: #0b1030;
    padding: 90px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: right 220ms ease;
    z-index: 110;
  }

  .main-nav a {
    font-size: 18px;
  }

  .mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease;
    z-index: 100;
  }

  body.menu-open .site-header {
    z-index: 120;
  }

  body.menu-open .main-nav {
    right: 0;
    pointer-events: auto;
  }

  body.menu-open .mobile-nav-backdrop {
    opacity: 1;
    pointer-events: auto;
    display: block;
    z-index: 100;
  }

  .nav-toggle {
    position: relative;
    z-index: 130;
  }
}