/* ==========================================================================
   Header & Navigation Styles
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(6, 27, 39, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0 24px;
    transition: var(--oq-transition);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    max-width: var(--oq-container-max);
    margin: 0 auto;
    gap: 24px;
}

/* Logo */
.site-header__brand {
    flex-shrink: 0;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.site-logo__text {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--oq-white);
    letter-spacing: -0.02em;
}

.site-logo img,
.custom-logo {
    height: 32px;
    width: auto;
}

/* Navigation */
.site-nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: space-between;
    gap: 16px;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__list > li {
    position: relative;
}

.site-nav__list > li > a {
    display: block;
    padding: 8px 14px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--oq-transition);
    text-decoration: none;
    white-space: nowrap;
}

.site-nav__list > li > a:hover,
.site-nav__list > li.active > a,
.site-nav__list > li.current-menu-item > a {
    color: var(--oq-white);
    background: rgba(255, 255, 255, 0.06);
}

.site-nav__list > li > a:hover,
.site-nav__list > li.active > a,
.site-nav__list > li.current-menu-item > a {
    color: var(--oq-white);
    background: rgba(255, 255, 255, 0.06);
}

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: var(--oq-white);
    border-radius: var(--oq-border-radius);
    box-shadow: var(--oq-shadow-nav);
    border: 1px solid var(--oq-line);
    min-width: 500px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    padding: 28px 32px;
    pointer-events: none;
}

.has-mega:hover > .mega-menu,
.has-mega:focus-within > .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.mega-menu__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px;
}

.mega-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mega-menu__list li {
    margin-bottom: 4px;
}

.mega-menu__list li a {
    display: block;
    padding: 8px 12px;
    font-size: 0.88rem;
    color: var(--oq-steel);
    border-radius: 8px;
    transition: var(--oq-transition);
    text-decoration: none;
}

.mega-menu__list li a:hover {
    background: var(--oq-paper);
    color: var(--oq-ink);
}

/* Header Actions */
.site-header__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.site-header__search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--oq-transition);
    cursor: pointer;
    background: none;
    border: none;
}

.site-header__search-btn:hover {
    color: var(--oq-white);
    background: rgba(255, 255, 255, 0.08);
}

.site-header__cta {
    font-size: 0.82rem;
    padding: 8px 18px;
    white-space: nowrap;
}

/* Hamburger */
.site-header__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--oq-white);
    border-radius: 2px;
    transition: var(--oq-transition);
}

.site-header__hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.site-header__hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.site-header__hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Panel */
.mobile-panel {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--oq-navy);
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-panel.active {
    transform: translateX(0);
}

.mobile-panel__inner {
    padding: 32px 24px;
}

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

.mobile-menu__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-menu__item a {
    display: block;
    padding: 16px 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--oq-transition);
}

.mobile-menu__item a:hover,
.mobile-menu__item.active a {
    color: var(--oq-cyan);
}

.mobile-submenu {
    list-style: none;
    padding: 0 0 8px 16px;
    margin: 0;
}

.mobile-submenu li a {
    padding: 10px 0;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.55);
}

.mobile-panel__cta {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   Footer Styles
   ========================================================================== */

.site-footer {
    background: var(--oq-navy);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 32px;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__brand .site-logo__text {
    font-size: 1.3rem;
}

.site-footer__tagline {
    margin-top: 12px;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    max-width: 280px;
}

.site-footer__heading {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--oq-white);
    margin-bottom: 16px;
}

.site-footer__links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer__links li {
    margin-bottom: 10px;
}

.site-footer__links li a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    transition: var(--oq-transition);
    text-decoration: none;
}

.site-footer__links li a:hover {
    color: var(--oq-cyan);
}

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.site-footer__copyright {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
}

.site-footer__legal {
    display: flex;
    gap: 24px;
}

.site-footer__legal a {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: var(--oq-transition);
}

.site-footer__legal a:hover {
    color: var(--oq-cyan);
}

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

@media (max-width: 991px) {
    .site-nav {
        display: none;
    }

    .site-header__cta {
        display: none;
    }

    .site-header__hamburger {
        display: flex;
    }

    .site-header__inner {
        height: 64px;
    }

    .mobile-panel {
        top: 64px;
    }

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 767px) {
    .site-header {
        padding: 0 16px;
    }

    .site-header__inner {
        height: 60px;
    }

    .mobile-panel {
        top: 60px;
    }

    .mobile-panel__inner {
        padding: 24px 16px;
    }

    .mobile-menu__item a {
        padding: 14px 0;
        font-size: 1rem;
    }

    .site-footer {
        padding: 60px 0 24px;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .site-footer__brand {
        grid-column: auto;
    }

    .site-footer__tagline {
        max-width: 100%;
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .site-footer__legal {
        gap: 16px;
    }
}

@media (max-width: 479px) {
    .site-header__inner {
        height: 56px;
    }

    .mobile-panel {
        top: 56px;
    }

    .site-logo__text {
        font-size: 1rem;
    }

    .site-footer__heading {
        font-size: 0.78rem;
    }

    .site-footer__links li a {
        font-size: 0.85rem;
    }
}