/* ── Site Header ───────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--duration) var(--ease),
                padding var(--duration) var(--ease);
}

.site-header--scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* ── Logo ─────────────────────────────────────────────────────────── */
.site-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.site-header__logo img {
    height: 28px;
    width: auto;
}

/* ── Nav ──────────────────────────────────────────────────────────── */
.site-header__nav {
    display: flex;
    align-items: center;
}

.site-header__menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header__link {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: var(--weight-medium);
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease);
    padding: 8px 0;
}
.site-header__link:hover {
    color: var(--color-primary);
}

/* ── CTA Button ───────────────────────────────────────────────────── */
.site-header__cta {
    flex-shrink: 0;
}

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

.site-header__toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 1px;
    transition: transform var(--duration) var(--ease),
                opacity var(--duration-fast) var(--ease);
}

/* Active state (X) */
.menu-open .site-header__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-open .site-header__toggle-bar:nth-child(2) {
    opacity: 0;
}
.menu-open .site-header__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Minimal Header ───────────────────────────────────────────────── */
.site-header--minimal .site-header__inner {
    justify-content: center;
}

/* ── Body offset for fixed header ─────────────────────────────────── */
body {
    padding-top: 72px;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .site-header__toggle {
        display: flex;
    }

    .site-header__nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        padding: var(--space-lg);
    }

    .menu-open .site-header__nav {
        display: flex;
    }

    .site-header__menu {
        flex-direction: column;
        gap: var(--space-md);
        width: 100%;
    }

    .site-header__link {
        font-size: var(--text-base);
        padding: var(--space-sm) 0;
    }

    .site-header__cta {
        display: none;
    }

    .menu-open .site-header__cta {
        display: inline-flex;
    }

    /* Show CTA inside mobile nav */
    .site-header__nav .site-header__menu::after {
        content: '';
    }
}

@media (min-width: 769px) {
    .site-header__toggle {
        display: none;
    }
}