/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 91px;
    background: rgba(255, 255, 255, 0.8); /* semi-transparent white for blur effect */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
}

.header-content {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 38px;
    width: auto;
}

/* Desktop Navigation */
.nav-desktop {
    display: flex;
}

.nav-menu {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-item {
    list-style: none;
}

.nav-item a {
    font-family: 'Geist', sans-serif;
    font-size: 16px;
    font-weight: 500;
    text-transform: uppercase;
    color: black;
    text-decoration: none;
    padding: 7.5px 20px;
    border-radius: 100px;
    transition: background-color 0.2s, color 0.2s;
    display: inline-block;
    height: 31px;
    line-height: 16px;
    box-sizing: border-box;
}

.nav-item a:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-item.active a {
    background-color: black;
    color: white;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: black;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    position: absolute;
    top: 91px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nav-mobile.active {
    display: block;
    max-height: 500px;
}

.nav-menu-mobile {
    display: flex;
    flex-direction: column;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu-mobile .nav-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-menu-mobile .nav-item:last-child {
    border-bottom: none;
}

.nav-menu-mobile .nav-item a {
    display: flex;
    align-items: center;
    padding: 20px 40px;
    font-family: 'Geist', sans-serif;
    font-size: 16px;
    text-transform: uppercase;
    color: black;
    text-decoration: none;
    transition: background-color 0.2s;
}

.nav-menu-mobile .nav-item a:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-menu-mobile .nav-item.active a {
    background-color: black;
    color: white;
}

/* Responsive breakpoint */
@media (max-width: 768px) {
    .header-content {
        padding: 0 20px;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}