/**
 * Navigation Styles
 */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background-color: rgba(13, 15, 20, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
    background-color: var(--color-bg-dark);
    box-shadow: var(--shadow-md);
}

.site-header .container {
    height: 100%;
}

/* ── Nav wrapper ─────────────────────────────────────────────────────────── */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--spacing-xl);
}

/* ── Logo ────────────────────────────────────────────────────────────────── */
.nav__logo,
.custom-logo-link {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    text-decoration: none;
}

/* WP custom logo image — hard-cap height, let width scale naturally */
.custom-logo-link img,
.nav__logo img {
    height: 60px;
    width: auto;
    display: block;
}

.nav__logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.nav__logo-text span {
    color: var(--color-accent);
}

/* ── Menu container ──────────────────────────────────────────────────────── */
.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex: 1;
    justify-content: flex-end;
}

/* ── Nav links ───────────────────────────────────────────────────────────── */
.nav__links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__links li a {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
    padding: 4px 0;
    position: relative;
}

.nav__links li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
    border-radius: var(--radius-full);
}

.nav__links li a:hover,
.nav__links li a:focus-visible {
    color: var(--color-text-primary);
}

.nav__links li a:hover::after {
    width: 100%;
}

/* Active page link */
.nav__links li.current-menu-item > a,
.nav__links li.current-page-ancestor > a {
    color: var(--color-text-primary);
}

.nav__links li.current-menu-item > a::after {
    width: 100%;
}

/* ── CTA button ──────────────────────────────────────────────────────────── */
.nav__cta {
    padding: 10px 22px;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

/* ── Mobile toggle button ────────────────────────────────────────────────── */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-fast), width var(--transition-base);
}

/* Hamburger → X animation */
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
    opacity: 0;
    width: 0;
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .nav__toggle {
        display: flex;
        order: 3;
    }

    .nav__menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg-dark);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: var(--spacing-lg) var(--container-pad) var(--spacing-xl);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-base), opacity var(--transition-base);
        z-index: 999;
    }

    .nav__menu.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav__links {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
    }

    .nav__links li {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }

    .nav__links li:last-child {
        border-bottom: none;
    }

    .nav__links li a {
        display: block;
        padding: var(--spacing-md) 0;
        font-size: var(--font-size-md);
        color: var(--color-text-primary);
    }

    .nav__links li a::after {
        display: none;
    }

    .nav__cta {
        margin-top: var(--spacing-lg);
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* Offset page content below fixed nav */
body {
    padding-top: var(--nav-height);
}