/**
 * WealthFromAI Navigation System
 * Header, Mobile Menu, Footer, Breadcrumbs
 *
 * @package WealthFromAI
 * @version 1.0.0
 */

/* ===========================
   HEADER / SITE HEADER
   =========================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 15, 20, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--wfai-transition-normal);
}

.site-header.is-sticky {
    background: rgba(10, 15, 20, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--wfai-space-4) var(--wfai-space-6);
    max-width: var(--wfai-container-xl);
    margin: 0 auto;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-2);
    text-decoration: none;
    flex-shrink: 0;
}

.site-logo img {
    height: 36px;
    width: auto;
}

.site-logo-text {
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-lg);
    font-weight: var(--wfai-font-bold);
    color: var(--wfai-text);
    letter-spacing: var(--wfai-tracking-tight);
}

.site-logo-text span {
    color: var(--wfai-secondary);
}

/* Primary Navigation */
.primary-nav {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-1);
}

.primary-nav a {
    display: flex;
    align-items: center;
    padding: var(--wfai-space-2) var(--wfai-space-4);
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-sm);
    font-weight: var(--wfai-font-medium);
    text-decoration: none;
    border-radius: var(--wfai-radius-md);
    transition: var(--wfai-transition-fast);
}

.primary-nav a:hover {
    color: var(--wfai-text);
    background: rgba(255, 255, 255, 0.05);
}

.primary-nav a[aria-current="page"] {
    color: var(--wfai-secondary);
    background: rgba(0, 212, 170, 0.1);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-1);
}

.nav-dropdown-trigger::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--wfai-transition-fast);
}

.nav-dropdown:hover .nav-dropdown-trigger::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    padding: var(--wfai-space-2);
    background: var(--wfai-surface);
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-lg);
    box-shadow: var(--wfai-shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: var(--wfai-transition-fast);
    z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
    display: block;
    padding: var(--wfai-space-2) var(--wfai-space-4);
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-sm);
    border-radius: var(--wfai-radius-md);
}

.nav-dropdown-menu a:hover {
    color: var(--wfai-secondary);
    background: rgba(0, 212, 170, 0.1);
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-4);
}

.header-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--wfai-text-muted);
    cursor: pointer;
    border-radius: var(--wfai-radius-md);
    transition: var(--wfai-transition-fast);
}

.header-search-btn:hover {
    color: var(--wfai-text);
    background: rgba(255, 255, 255, 0.05);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: var(--wfai-space-2);
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--wfai-text);
    border-radius: 2px;
    transition: var(--wfai-transition-fast);
}

.mobile-menu-toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===========================
   MOBILE NAVIGATION
   =========================== */

.mobile-navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    background: rgba(10, 15, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    padding: var(--wfai-space-8) var(--wfai-space-6);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

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

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--wfai-space-8);
}

.mobile-nav-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: var(--wfai-radius-full);
    color: var(--wfai-text);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--wfai-space-1);
    margin-bottom: var(--wfai-space-8);
}

.mobile-nav-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--wfai-space-4);
    color: var(--wfai-text);
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-xl);
    font-weight: var(--wfai-font-semibold);
    text-decoration: none;
    border-bottom: 1px solid var(--wfai-border-default);
    transition: var(--wfai-transition-fast);
}

.mobile-nav-links a:hover {
    color: var(--wfai-secondary);
    padding-left: var(--wfai-space-6);
}

.mobile-nav-links a.active {
    color: var(--wfai-secondary);
}

.mobile-nav-cta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: var(--wfai-space-4);
}

/* ===========================
   FOOTER
   =========================== */

.site-footer {
    background: var(--wfai-surface);
    border-top: 1px solid var(--wfai-border-default);
    padding: var(--wfai-space-16) 0 var(--wfai-space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--wfai-space-10);
    margin-bottom: var(--wfai-space-10);
}

/* Footer Brand */
.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-2);
    text-decoration: none;
    margin-bottom: var(--wfai-space-4);
}

.footer-logo img {
    height: 32px;
    width: auto;
}

.footer-logo-text {
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-lg);
    font-weight: var(--wfai-font-bold);
    color: var(--wfai-text);
}

.footer-logo-text span {
    color: var(--wfai-secondary);
}

.footer-tagline {
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-sm);
    line-height: var(--wfai-leading-relaxed);
    margin-bottom: var(--wfai-space-4);
}

/* Footer Social */
.footer-social {
    display: flex;
    gap: var(--wfai-space-2);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--wfai-border-default);
    border-radius: var(--wfai-radius-md);
    color: var(--wfai-text-muted);
    transition: var(--wfai-transition-fast);
}

.footer-social a:hover {
    background: rgba(0, 212, 170, 0.15);
    border-color: rgba(0, 212, 170, 0.3);
    color: var(--wfai-secondary);
}

/* Footer Columns */
.footer-column h4 {
    font-family: var(--wfai-font-heading);
    font-size: var(--wfai-text-sm);
    font-weight: var(--wfai-font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--wfai-text);
    margin-bottom: var(--wfai-space-4);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--wfai-space-2);
}

.footer-links a {
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-sm);
    text-decoration: none;
    transition: color var(--wfai-transition-fast);
}

.footer-links a:hover {
    color: var(--wfai-secondary);
}

/* Footer Newsletter */
.footer-newsletter p {
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-sm);
    margin-bottom: var(--wfai-space-4);
}

.footer-newsletter-form {
    display: flex;
    gap: var(--wfai-space-2);
}

.footer-newsletter-form input {
    flex: 1;
    min-width: 0;
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--wfai-space-6);
    border-top: 1px solid var(--wfai-border-default);
}

.footer-copyright {
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-xs);
}

.footer-legal {
    display: flex;
    gap: var(--wfai-space-6);
}

.footer-legal a {
    color: var(--wfai-text-muted);
    font-size: var(--wfai-text-xs);
    text-decoration: none;
    transition: color var(--wfai-transition-fast);
}

.footer-legal a:hover {
    color: var(--wfai-secondary);
}

/* ===========================
   BREADCRUMBS
   =========================== */

.wfai-breadcrumbs {
    padding: var(--wfai-space-4) 0;
    background: transparent;
}

.breadcrumbs-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--wfai-space-1);
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: var(--wfai-text-sm);
}

.breadcrumbs-item {
    display: flex;
    align-items: center;
    gap: var(--wfai-space-1);
}

.breadcrumbs-item::after {
    content: '/';
    color: var(--wfai-border-default);
    margin-left: var(--wfai-space-1);
}

.breadcrumbs-item:last-child::after {
    display: none;
}

.breadcrumbs-link {
    color: var(--wfai-text-muted);
    text-decoration: none;
    transition: color var(--wfai-transition-fast);
}

.breadcrumbs-link:hover {
    color: var(--wfai-secondary);
}

.breadcrumbs-current {
    color: var(--wfai-text);
    font-weight: var(--wfai-font-medium);
}

/* ===========================
   RESPONSIVE
   =========================== */

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

    .mobile-menu-toggle {
        display: flex;
    }

    .header-cta .wfai-btn {
        display: none;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--wfai-space-8);
    }

    .footer-brand {
        grid-column: span 2;
        max-width: none;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--wfai-space-4);
        text-align: center;
    }

    .footer-newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-column {
        text-align: center;
    }

    .footer-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--wfai-space-2) var(--wfai-space-6);
    }

    .footer-links li {
        margin: 0;
    }
}