/* Header Component */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky, 500);
    background-color: var(--color-surface, #fff);
    box-shadow: var(--shadow-sm);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    gap: var(--space-6);
}

/* Logo / Site Name */
.site-header__logo {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.site-header__logo:hover {
    color: var(--color-primary);
}

/* Navigation */
.site-header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.site-header__menu {
    display: flex;
    list-style: none;
    gap: var(--space-1);
    padding: 0;
    margin: 0;
}

.site-header__menu li a {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-light);
    text-decoration: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    display: block;
}

.site-header__menu li a:hover,
.site-header__menu li.current-menu-item a {
    background-color: var(--color-bg-light);
    color: var(--color-text);
}

/* Actions (CTA + burger) */
.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Spacer to push content below fixed header */
.site-header__spacer {
    height: 72px;
}

/* Burger button */
.site-header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.site-header__burger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.site-header__burger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header__burger.is-open span:nth-child(2) {
    opacity: 0;
}

.site-header__burger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile */
@media (max-width: 768px) {
    .site-header__burger {
        display: flex;
    }

    .site-header__nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-surface, #fff);
        z-index: calc(var(--z-sticky, 500) - 1);
        padding-top: 80px;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-base), visibility var(--transition-base);
        justify-content: flex-start;
        align-items: center;
    }

    .site-header__nav.is-open {
        opacity: 1;
        visibility: visible;
    }

    .site-header__menu {
        flex-direction: column;
        align-items: center;
        gap: var(--space-2);
        width: 100%;
        padding: var(--space-6);
    }

    .site-header__menu li {
        width: 100%;
        text-align: center;
    }

    .site-header__menu li a {
        font-size: var(--text-lg);
        padding: var(--space-3) var(--space-6);
    }

    /* Hide CTA on mobile in header */
    .site-header__actions .cta-component {
        display: none;
    }

    body.mobile-menu-active {
        overflow: hidden;
    }
}