/**
 * Component Styles
 * Header, Footer, Navigation, and other reusable components
 */

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .site-header.scrolled {
    background-color: rgba(15, 23, 42, 0.8);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

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

.dropdown-toggle svg {
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-toggle svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    list-style: none;
    padding: 0.5rem;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-primary);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    color: var(--color-text-light);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.lang-switcher:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-primary);
}

.lang-code {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: none;
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-primary);
}

.moon-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="dark"] .moon-icon {
    display: block;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 200px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-info {
    padding: 0.75rem;
}

.user-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.user-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.user-dropdown hr {
    margin: 0.5rem 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

.user-dropdown a {
    display: block;
    padding: 0.75rem;
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.user-dropdown a:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sticky) - 1);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

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

.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-relaxed);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-light);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: white;
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-newsletter-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.newsletter-form .btn {
    flex-shrink: 0;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: var(--font-size-sm);
}

.footer-bottom-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-primary);
}

.footer-bottom-links span {
    color: var(--color-text-muted);
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-column:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {

    .nav-menu,
    .nav-actions .btn {
        display: none;
    }

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

    .nav-menu.mobile-active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 73px;
        right: 0;
        width: 280px;
        max-width: 80vw;
        height: calc(100vh - 73px);
        background-color: var(--color-bg);
        border-left: 1px solid var(--color-border);
        padding: var(--spacing-md);
        gap: 0;
        z-index: var(--z-sticky);
        overflow-y: auto;
        box-shadow: var(--shadow-2xl);
    }

    .nav-menu.mobile-active .nav-link {
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
        width: 100%;
    }

    .nav-menu.mobile-active .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        margin-top: 0;
        padding-left: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-column:first-child {
        grid-column: 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

@media (max-width: 640px) {
    .nav-wrapper {
        gap: 1rem;
    }

    .logo {
        font-size: var(--font-size-lg);
    }

    .logo svg {
        width: 32px;
        height: 32px;
    }
}