/* ==========================================================================
   Layout - Navbar, Footer, Scroll-to-top, Mobile Menu
   ========================================================================== */

/* ---------- Navbar ---------- */
#top-navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-4) 0;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

body.scrolled #top-navbar {
    box-shadow: var(--shadow-sm);
    border-color: transparent;
}

#top-navbar .navbar-brand img {
    height: 32px;
    width: auto;
    transition: transform var(--transition-fast);
}

#top-navbar .navbar-brand:hover img {
    transform: scale(1.05);
}

#top-navbar .nav-link {
    color: var(--text-secondary) !important;
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-4) !important;
    margin: 0 var(--space-1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

#top-navbar .nav-link:hover {
    color: var(--text-primary) !important;
    background-color: var(--bg-secondary);
}

#top-navbar .nav-link.active {
    color: var(--text-inverse) !important;
    background-color: var(--color-primary);
}

#top-navbar .navbar-toggler {
    border: none;
    padding: var(--space-2);
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

@media (max-width: 991px) {
    #top-navbar .navbar-toggler {
        display: flex;
    }
}

#top-navbar .navbar-toggler:focus {
    box-shadow: none;
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Desktop navigation */
@media (min-width: 992px) {
    .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
    }
}

/* ---------- Mobile Navigation (Offcanvas style) ---------- */
@media (max-width: 991px) {
    .navbar-collapse {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background-color: var(--bg-primary);
        border-left: 1px solid var(--border-color);
        box-shadow: var(--shadow-2xl);
        padding: var(--space-6);
        padding-top: calc(var(--navbar-height) + var(--space-6));
        margin: 0;
        overflow-y: auto;
        transition: transform var(--transition-slow), visibility var(--transition-slow);
        transform: translateX(100%);
        visibility: hidden;
        z-index: 1040;
    }

    .navbar-collapse.show {
        transform: translateX(0);
        visibility: visible;
    }

    body.mobile-menu-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1035;
        opacity: 1;
        transition: opacity var(--transition-slow);
    }

    #top-navbar .nav {
        flex-direction: column;
        align-items: stretch !important;
        width: 100%;
    }

    #top-navbar .nav-item {
        width: 100%;
    }

    #top-navbar .nav-link {
        padding: var(--space-4) var(--space-3) !important;
        margin: 0;
        border-radius: var(--radius-lg);
        font-size: var(--text-base);
        display: flex;
        align-items: center;
        width: 100%;
    }

    #top-navbar .nav-item.dropdown {
        margin-top: var(--space-4);
        padding-top: var(--space-4);
        border-top: 1px solid var(--border-color);
    }

    #top-navbar .dropdown-toggle::after {
        margin-left: auto;
    }

    #top-navbar .dropdown-menu {
        position: static !important;
        transform: none !important;
        box-shadow: none;
        border: none;
        padding: 0;
        padding-left: var(--space-4);
        margin-top: var(--space-2);
        background: transparent;
    }
}

/* ---------- Footer ---------- */
footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-12) 0;
}

.copyright {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.copyright a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.copyright a:hover {
    color: var(--text-primary);
}

/* ---------- Scroll to Top ---------- */
#top,
#scroll-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
    text-decoration: none;
    border: none;
}

#top.visible,
#scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

#top:hover,
#scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    background-color: var(--color-primary-hover);
}

@media (max-width: 767px) {
    #top,
    #scroll-top {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 44px;
        height: 44px;
    }
}

/* ---------- Language Switcher ---------- */
#langDropdown {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

#langDropdown:hover {
    background-color: var(--bg-tertiary);
}

#langDropdown .flag {
    width: 20px;
    height: 15px;
}

.dropdown-menu[aria-labelledby="langDropdown"] {
    min-width: 160px;
}

.dropdown-menu[aria-labelledby="langDropdown"] .dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.dropdown-menu[aria-labelledby="langDropdown"] .dropdown-item .flag {
    width: 20px;
    height: 15px;
}

.dropdown-menu[aria-labelledby="langDropdown"] .dropdown-item.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ==========================================================================
   Editorial Layout
   ========================================================================== */

body {
    font-family: var(--font-family);
    color: #161616;
    background-color: #ffffff;
}

.site-header {
    border-bottom: 1px solid #dedede;
    background: #ffffff;
}

.site-header-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0.9rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: #101010;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.site-brand img {
    width: auto;
    height: 26px;
}

.site-nav {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.site-nav a {
    color: #444;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a.active {
    color: #111;
}

.site-main {
    min-height: 70vh;
}

.site-footer {
    border-top: 1px solid #dedede;
    background: #ffffff;
}

.site-footer-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1rem;
    font-size: 0.85rem;
    color: #626262;
}

.site-footer a {
    color: inherit;
}

.site-footer .dot {
    margin: 0 0.35rem;
}

@media (max-width: 767px) {
    .site-header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        gap: 0.75rem;
        justify-content: flex-start;
    }
}