/* ===========================
   Header
   =========================== */

.site-header {
    background-color: var(--color-bg);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.site-logo a {
    display: flex;
    align-items: center;
}

.site-logo img {
    max-height: 40px;
    width: auto;
}

.site-title-link {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-list li a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 8px 0;
    position: relative;
}

.nav-list li a:hover,
.nav-list li.current-menu-item a {
    color: var(--color-text-primary);
}

.nav-cta {
    font-size: 13px !important;
    padding: 10px 24px !important;
    white-space: nowrap;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    padding: 0;
}

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

/* Mobile Menu Open State */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===========================
   Responsive
   =========================== */

@media (max-width: 991px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: 20px 25px 30px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .main-nav.is-open {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-list li {
        width: 100%;
    }

    .nav-list li a {
        display: block;
        padding: 12px 0;
        font-size: 15px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-cta {
        margin-top: 16px;
        text-align: center;
        width: 100%;
    }
}