.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

.site-branding {
    display: flex;
    align-items: center;
}

.custom-logo {
    max-height: 50px;
    width: auto;
}

.site-title {
    margin: 0;
    font-size: 1.5rem;
    font-family: var(--heading-font);
    font-weight: var(--bold);
}

.site-title a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Navigation Styles */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
    font-family: var(--heading-font);
    font-weight: var(--medium);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    position: relative;
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Mobile Menu Styles */
@media (max-width: 992px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .menu-toggle.active .hamburger {
        background: transparent;
    }

    .menu-toggle.active .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }

    .menu-toggle.active .hamburger::after {
        transform: rotate(-45deg);
        bottom: 0;
    }
}

/* Scroll State */
.site-header.scrolled {
    background: white;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}