/* ===========================
   Header — RapiX Solutions
   All values reference CSS custom properties. No hardcoded colours or fonts.
   =========================== */

/* ---- 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 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 2px 24px rgba(11, 15, 42, 0.08);
    border-bottom-color: transparent;
}

.site-header.is-hidden {
    transform: translateY(-100%);
}

/* ---- Inner container ---- */

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 80px;
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* ---- Logo ---- */

.site-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.site-logo img {
    max-height: 55px;
    width: auto;
    display: block;
}

.site-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.375rem;
    color: var(--color-text);
    letter-spacing: -0.025em;
    line-height: 1;
}

/* ---- Desktop nav ---- */

.nav-primary {
    display: flex;
    align-items: center;
    flex: 1;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu > li > a {
    display: block;
    padding: 0.5rem 0.875rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--color-text);
    text-decoration: none;
    border-radius: 0.375rem;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a {
    color: var(--color-primary);
    background-color: rgba(236, 67, 12, 0.06);
}

/* ---- Header actions ---- */

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.header-phone {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.header-phone:hover {
    color: var(--color-primary);
}

/* ---- Hamburger toggle ---- */

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.menu-toggle:hover {
    background-color: var(--color-bg);
    border-color: var(--color-primary-light);
}

.menu-toggle svg {
    display: block;
    color: var(--color-text);
    flex-shrink: 0;
}

/* ===========================
   Mobile Menu Drawer
   =========================== */

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    max-width: 90vw;
    background-color: var(--color-white);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 40px rgba(11, 15, 42, 0.14);
}

.mobile-menu.is-open {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.mobile-menu-logo img {
    max-height: 36px;
    width: auto;
    display: block;
}

.mobile-menu-site-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-text);
}

.menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    cursor: pointer;
    color: var(--color-text);
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.menu-close:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
}

.mobile-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0;
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-menu > li > a {
    display: block;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.mobile-nav-menu > li > a:hover,
.mobile-nav-menu > li.current-menu-item > a {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    background-color: rgba(236, 67, 12, 0.04);
}

.submenu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-muted);
    padding: 0.375rem 0.5rem;
    font-size: 1.125rem;
    line-height: 1;
}

.mobile-menu-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-shrink: 0;
}

.mobile-phone {
    display: block;
    text-align: center;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.mobile-phone:hover {
    color: var(--color-primary);
}

.mobile-cta {
    width: 100%;
    justify-content: center;
}

/* ---- Overlay ---- */

.menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(11, 15, 42, 0.5);
    z-index: 1050;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.menu-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

body.menu-open {
    overflow: hidden;
}

/* ===========================
   Page offset — push content below fixed header
   =========================== */

body {
    padding-top: var(--space-20);
}

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

@media (max-width: 1024px) {
    .nav-primary {
        display: none;
    }

    .header-phone,
    .header-cta {
        display: none !important;
    }

    .menu-toggle {
        display: flex;
    }

    .site-logo {
        flex: 1;
    }
}

@media (max-width: 640px) {
    .header-inner {
        height: 64px;
        padding: 0 1rem;
    }

    body {
        padding-top: var(--space-16);
    }
}