.main-header {
  background-color: #000000;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-logo-img {
    height: 40px;
    width: auto;
    display: block;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 25px;
}
.main-nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}
.main-nav-links a {
  color: #A1A1AA;
  font-weight: bold;
  transition: color 0.3s ease;
}
.main-nav-links a.active,
.main-nav-links a:hover {
  color: #FFFFFF;
}

.header-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #8B5CF6;
    color: #FFFFFF;
    font-weight: bold;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
.header-action-btn:hover {
    background-color: #7c3aed;
    color: #FFFFFF;
    transform: translateY(-1px);
}
.header-action-btn svg {
    stroke: #FFFFFF;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #FFFFFF;
    cursor: pointer;
    padding: 5px;
    z-index: 101;
}
.mobile-menu-toggle .icon-close {
    display: none;
}
.mobile-menu-toggle.is-open .icon-menu {
    display: none;
}
.mobile-menu-toggle.is-open .icon-close {
    display: block;
}

@media (max-width: 768px) {
    .main-header {
        padding: 15px 20px;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: #000000;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
    }
    .main-nav.is-open {
        transform: translateX(0);
    }
    .main-nav-links {
        flex-direction: column;
        gap: 30px;
    }
    .main-nav-links a {
        font-size: 1.5rem;
    }
    .header-action-btn {
        padding: 12px 24px;
        font-size: 1.1rem;
    }
}