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

.nav-bar {
    width: 100%;
    padding: 0 28px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(14px);
    background: var(--color-bg-dark);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0;
    gap: 16px;
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-weight: 700;
    letter-spacing: 0.4px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--gradient-brand);
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    box-shadow: 0 12px 30px rgba(249, 115, 22, 0.35), 0 4px 30px rgba(249, 115, 22, 0.25);
}

.custom-logo-link {
    display: inline-flex;
    align-items: center;
}

.custom-logo {
    max-width: 42px;
    max-height: 42px;
    width: auto;
    height: auto;
    border-radius: 12px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 12px;
}

.brand-title {
    font-size: 16px;
}

.nav-divider {
    width: 1px;
    height: 56%;
    background: var(--color-border);
    display: inline-block;
    transform: translateY(2px);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-links a {
    padding: 10px 14px;
    border-radius: var(--radius);
    color: var(--color-text-nav);
    border: 1px solid transparent;
    transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-links a:hover,
.nav-links .current-menu-item>a,
.nav-links .current_page_item>a {
    border-color: var(--color-border);
    background: var(--color-bg-grey);
    color: var(--color-primary);
}

.cta-button {
    padding: 11px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--color-primary);
    background: var(--gradient-brand);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 12px 40px rgba(249, 115, 22, 0.35);
    transition: transform 120ms ease, box-shadow 120ms ease;
}

.cta-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 46px rgba(249, 115, 22, 0.45);
}

.menu-toggle {
    display: inline-flex;
    padding: 10px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg-grey);
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg-grey);
    color: var(--color-text);
    transition: background 140ms ease, border-color 140ms ease, transform 120ms ease;
}

.icon-button:hover {
    background: var(--color-bg-grey);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

/* Nav Search Bar */
.nav-search {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-search-form {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    width: 0;
    opacity: 0;
    overflow: hidden;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(14px);
    border: 1px solid transparent;
    border-radius: 14px;
    transition: width 250ms ease, opacity 200ms ease, border-color 200ms ease;
    pointer-events: none;
}

.nav-search-form.open {
    width: 340px;
    opacity: 1;
    pointer-events: auto;
    border-color: rgba(255, 255, 255, 0.12);
}

.nav-search-input {
    flex: 1;
    min-width: 0;
    padding: 11px 8px 11px 16px;
    font-size: 15px;
    font-family: inherit;
    color: var(--color-text);
    background: transparent;
    border: none;
    outline: none;
}

.nav-search-input::placeholder {
    color: var(--color-muted);
    opacity: 0.6;
}

.nav-search-submit,
.nav-search-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--color-muted);
    cursor: pointer;
    transition: color 140ms ease, background 140ms ease;
    padding: 0;
}

.nav-search-submit:hover {
    color: var(--color-accent);
    background: rgba(255, 255, 255, 0.06);
}

.nav-search-close:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.06);
}

.nav-search-form.open~.search-toggle {
    opacity: 0;
    pointer-events: none;
}

@media (max-width: 480px) {
    .nav-search-form.open {
        width: 220px;
    }
}

.mobile-nav {
    display: none;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0 16px;
    background: rgba(6, 12, 26, 0.78);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
}

.mobile-nav.open {
    display: flex;
}

.mobile-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.mobile-nav .nav-links {
    display: grid;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 8px;
}

.mobile-nav .nav-links a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.03);
}

.mobile-links a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.03);
}

.mobile-cta {
    display: inline-block;
    width: fit-content;
}

/* Responsive Header */
@media (max-width: 960px) {
    .nav-links {
        display: none;
    }

    .mobile-nav {
        display: none;
        padding-left: 4vw;
        padding-right: 4vw;
    }

    .nav-bar {
        padding: 0 18px;
    }

    .brand-title {
        font-size: 15px;
    }

    @media (max-width: 540px) {
        .nav-bar {
            padding: 0 14px;
        }

        .brand-title {
            display: none;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
        }
    }

    .site-header {
        position: fixed;
        width: 100%;
    }

    body {
        padding-top: 78px;
    }
}