/* =========================================
   ADNOW - NAVIGATION STYLES
   ========================================= */

/* Header */
.site-header {
    background-color: var(--color-surface);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-header);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--space-sm);
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    z-index: calc(var(--z-nav) + 1);
}

.logo-img {
    height: 40px;
    width: auto;
}

/* Menu Toggle */
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-nav) + 1);
}

.menu-icon {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-heading);
    transition: var(--transition-base);
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-heading);
    transition: var(--transition-base);
}

.menu-icon::before {
    top: -8px;
}

.menu-icon::after {
    top: 8px;
}

.menu-toggle[aria-expanded="true"] .menu-icon {
    background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation */
.primary-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    z-index: var(--z-nav);
    padding-top: calc(var(--header-height) + var(--space-md));
}

.primary-nav.is-active {
    right: 0;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: var(--space-md);
}

.nav-item {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-heading);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-item:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
}

.nav-item.current {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

/* Nav Overlay */
.nav-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-overlay);
}

.nav-backdrop.is-active {
    opacity: 1;
    visibility: visible;
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .nav-backdrop {
        display: none;
    }

    .primary-nav {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background-color: transparent;
        box-shadow: none;
        padding-top: 0;
    }

    .nav-menu {
        display: flex;
        gap: var(--space-xs);
        padding: 0;
    }

    .nav-item {
        padding: var(--space-xs) var(--space-sm);
        font-size: 1rem;
    }

    .nav-item.current {
        background-color: transparent;
        color: var(--color-primary);
        position: relative;
    }

    .nav-item.current::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: var(--space-sm);
        right: var(--space-sm);
        height: 3px;
        background-color: var(--color-primary);
        border-radius: var(--radius-full);
    }
}

/* Footer */
.site-footer {
    background-color: var(--color-heading);
    color: var(--color-surface);
    margin-top: auto;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-sm);
}

.footer-logo-img {
    height: 33px;
    width: auto;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

.footer-nav h3,
.footer-info h3,
.footer-social h3 {
    color: var(--color-surface);
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.footer-nav ul,
.footer-info ul {
    list-style: none;
    margin: 0;
}

.footer-nav li,
.footer-info li {
    margin-bottom: var(--space-xs);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-nav a:hover {
    color: var(--color-surface);
}

.footer-info li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-links a {
    display: flex;
    transition: transform var(--transition-fast);
}

.social-links a:hover {
    transform: scale(1.1);
}

.social-links img {
    width: 24px;
    height: 24px;
}

.footer-legal {
    background-color: rgba(0, 0, 0, 0.2);
    padding: var(--space-md) var(--space-sm);
    text-align: center;
}

.footer-legal p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
}

.legal-links {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.legal-links a:hover {
    color: var(--color-accent);
}

.legal-links span {
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 576px) {
    .footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .footer-inner {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        padding: var(--space-2xl) var(--space-lg);
    }
}