.main-head {
  background-color: #ffffff;
  border-bottom: 0.0625rem solid rgba(15, 23, 42, 0.12);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9375rem 0;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 7.5rem;
  height: auto;
}

.header-links {
  display: flex;
  gap: 1.25rem;
}

.header-links li a {
  color: #0f172a;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1rem;
  letter-spacing: 0%;
  text-align: center;
}

.header-links li a:hover {
  color: rgba(15, 23, 42, 0.7);
  transition: 0.3s ease-in-out;
}

.header-cta {
  display: flex;
  align-items: center;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 0.0625rem solid var(--neutral-100);
  padding: 2.8rem 1rem 3.3rem;
  height: 4.25rem;
  display: flex;
  align-items: center;
  box-shadow: rgba(0, 0, 0, 0.1) 0px 0px 5px 0px, rgba(0, 0, 0, 0.1) 0px 0px 1px 0px;
}

nav .nav-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

nav .logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

nav .logo img {
  width: auto;
  display: block;
  max-width: 11.25rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav ul a {
  text-decoration: none;
  color: var(--text-mid);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

nav ul a:hover {
  color: var(--green-700);
}

nav .nav-cta {
  background: var(--green-700);
  color: var(--white);
  padding: 0.5625rem 1.375rem;
  border-radius: 0.4375rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}

nav .nav-cta:hover {
  background: var(--green-800);
}

.mobile-nav .nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mobile-nav .nav-hamburger {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 0.0625rem solid rgba(17, 24, 39, 0.12);
  border-radius: 0.625rem;
  background: rgba(255, 255, 255, 0.7);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.3125rem;
  cursor: pointer;
}

.mobile-nav .nav-hamburger .bar {
  width: 1.125rem;
  height: 0.125rem;
  background: var(--text-dark);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

@media (max-width: 980px) {
  .header-links {
    display: none;
  }

  .brand img {
    width: 10rem;
  }

  nav ul {
    display: none;
  }

  nav .nav-cta {
    display: none;
  }

  .mobile-nav .nav-hamburger {
    display: inline-flex;
  }

  .mobile-nav .nav-menu {
    position: absolute;
    top: 4.25rem;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 0.0625rem solid var(--neutral-100);
    box-shadow: 0 1.25rem 3.75rem rgba(15, 26, 20, 0.1);
  }

  .mobile-nav .nav-menu ul {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.625rem 0;
  }

  .mobile-nav .nav-menu ul a {
    display: block;
    padding: 0.75rem 0;
    font-weight: 600;
    color: var(--text-dark);
  }

  .mobile-nav .nav-menu ul li {
    border-top: 0.0625rem solid var(--neutral-100);
  }

  .mobile-nav .nav-menu .nav-cta {
    display: block;
    margin: 0.875rem 0 1.125rem;
    width: fit-content;
  }

  .mobile-nav .nav-toggle:checked~.nav-menu {
    display: block;
  }

  .mobile-nav .nav-toggle:checked+.nav-hamburger .bar:nth-child(1) {
    transform: translateY(0.4375rem) rotate(45deg);
  }

  .mobile-nav .nav-toggle:checked+.nav-hamburger .bar:nth-child(2) {
    opacity: 0;
  }

  .mobile-nav .nav-toggle:checked+.nav-hamburger .bar:nth-child(3) {
    transform: translateY(-0.4375rem) rotate(-45deg);
  }
}