/**
 * Project: Vagocat (pronounced 'liivora')
 * Component: Header & Navigation
 * Features: Responsive, Mega Menus, eCommerce Ready, Bilingual, Dark Theme
 */

/* ==========================================================================
   1. CSS Variables & Theme Setup
   ========================================================================== */
:root {
    /* Brand Colors - GitHub Dark meets Custom Purple */
    --Vagocat-bg: #0d1117;
    --Vagocat-header-bg: rgba(13, 17, 23, 0.85); /* Translucent for sticky scroll */
    --Vagocat-purple: #9D00FF;
    --Vagocat-purple-hover: #b433ff;
    --Vagocat-purple-glow: rgba(157, 0, 255, 0.4);
    
    /* Typography & Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --font-heading: "Outfit", sans-serif;
    --font-body: "Inter", sans-serif;
    
    /* Structural & Borders */
    --Vagocat-border: #30363d;
    --header-height: 80px;
    --announcement-height: 40px;
    --container-max: 1400px;
    --nav-gap: 28px;
    
    /* Radii & Shadows (Linear smoothness) */
    --radius-sm: 6px;
    --radius-btn: 12px;
    --radius-mega: 16px;
    --shadow-dropdown: 0 12px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--Vagocat-border);
    --shadow-glow: 0 0 15px var(--Vagocat-purple-glow);
    
    /* Animations */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. Resets & Base Styles
   ========================================================================== */
.Vagocat-header *, .Vagocat-announcement-bar *, .Vagocat-mobile-overlay * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--Vagocat-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

.Vagocat-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

/* ==========================================================================
   3. Announcement Bar (Sticky & Always Visible)
   ========================================================================== */
.Vagocat-announcement-bar {
    background-color: var(--Vagocat-purple);
    color: #ffffff;
    height: var(--announcement-height);
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    z-index: 1002;
    position: sticky;
    top: 0;
}

.Vagocat-announcement-bar p {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.Vagocat-announcement-bar .badge {
    background: rgba(255,255,255,0.2);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
}

.Vagocat-announcement-bar a {
    text-decoration: underline;
    font-weight: 600;
    transition: opacity var(--transition-fast);
}

.Vagocat-announcement-bar a:hover {
    opacity: 0.8;
}

/* ==========================================================================
   4. Main Header Structure (Positioned below Announcement Bar)
   ========================================================================== */
.Vagocat-header {
    background-color: var(--Vagocat-bg);
    height: var(--header-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--Vagocat-border);
    position: sticky;
    top: var(--announcement-height);
    z-index: 1000;
    transition: background-color var(--transition-medium), backdrop-filter var(--transition-medium);
}

/* Sticky Scroll State (Toggled via JS) */
.Vagocat-header.is-scrolled {
    background-color: var(--Vagocat-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.Vagocat-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.Vagocat-logo {
    display: flex;
    align-items: center;
    transition: transform var(--transition-fast);
}

.Vagocat-logo:hover {
    transform: scale(1.02);
}

.Vagocat-logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* ==========================================================================
   5. Desktop Navigation (Outfit 700, 18px)
   ========================================================================== */
.Vagocat-desktop-nav {
    display: none;
}

@media (min-width: 1024px) {
    .Vagocat-desktop-nav {
        display: block;
        margin-left: 48px;
        margin-right: auto;
    }
}

.Vagocat-nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--nav-gap);
}

.Vagocat-has-dropdown {
    position: relative;
}

.Vagocat-nav-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 0;
    transition: color var(--transition-fast);
    position: relative;
}

/* Hover & Active States - Purple underline and glow */
.Vagocat-nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--Vagocat-purple);
    transition: width var(--transition-fast);
    box-shadow: 0 0 8px var(--Vagocat-purple);
}

.Vagocat-nav-link:hover,
.Vagocat-has-dropdown:hover .Vagocat-nav-link,
.Vagocat-nav-link[aria-expanded="true"] {
    color: var(--Vagocat-purple);
}

.Vagocat-nav-link:hover::after,
.Vagocat-has-dropdown:hover .Vagocat-nav-link::after,
.Vagocat-nav-link[aria-expanded="true"]::after {
    width: 100%;
}

.Vagocat-chevron {
    transition: transform var(--transition-fast);
}

.Vagocat-has-dropdown:hover .Vagocat-chevron,
.Vagocat-nav-link[aria-expanded="true"] .Vagocat-chevron {
    transform: rotate(180deg);
}

/* ==========================================================================
   6. Mega Menus (Proper Structured Multi-Column Layout)
   ========================================================================== */
.Vagocat-mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: #ffffff; 
    border: 1px solid #E5E7EB;
    border-radius: 0;
    box-shadow: 0px 16px 40px rgba(17, 24, 39, 0.12);
    padding: 24px;
    width: max-content;
    min-width: 320px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition-medium);
    z-index: 100;
}

/* Hover trigger for Mega Menu */
.Vagocat-has-dropdown:hover .Vagocat-mega-menu,
.Vagocat-has-dropdown:focus-within .Vagocat-mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.Vagocat-mega-grid {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.mega-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 220px;
    flex: 1;
}

/* The New Link Architecture (Title + Description) */
.mega-link-item {
    display: flex;
    flex-direction: column;
    padding: 10px 14px;
    border-radius: 0;
    transition: all var(--transition-fast);
}

/* Title (Black) */
.mega-link-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 2px;
    transition: color var(--transition-fast);
}

/* Description (Small & Gray) */
.mega-link-desc {
    font-family: var(--font-body);
    font-size: 13px;
    color: #6B7280;
    font-weight: 400;
    transition: color var(--transition-fast);
}

/* Hover States */
.mega-link-item:hover {
    transform: translateX(4px);
    background-color: #F8F9FA;
}

.mega-link-item:hover .mega-link-title,
.mega-link-item:hover .mega-link-desc {
    color: var(--Vagocat-purple);
}

/* ==========================================================================
   7. Header Actions (Right Side)
   ========================================================================== */
.Vagocat-header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Language Switcher */
.Vagocat-lang-switcher {
    position: relative;
    display: none;
}

@media (min-width: 768px) {
    .Vagocat-lang-switcher { display: block; }
}

.Vagocat-lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.Vagocat-lang-btn:hover {
    color: var(--text-primary);
}

.Vagocat-lang-dropdown {
    position: absolute;
    top: calc(100% + 15px);
    right: 0;
    background: var(--Vagocat-bg);
    border: 1px solid var(--Vagocat-border);
    border-radius: var(--radius-btn);
    box-shadow: var(--shadow-dropdown);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    min-width: 120px;
}

.Vagocat-lang-switcher:hover .Vagocat-lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.Vagocat-lang-dropdown a {
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: background var(--transition-fast);
}

.Vagocat-lang-dropdown a:hover,
.Vagocat-lang-dropdown a.active {
    background: rgba(157, 0, 255, 0.1);
    color: var(--Vagocat-purple);
}

/* Cart Button */
.Vagocat-cart-btn {
    position: relative;
    color: var(--text-primary);
    transition: color var(--transition-fast);
    display: none;
    align-items: center;
}

@media (min-width: 1024px) {
    .Vagocat-cart-btn {
        display: flex;
    }
}

.Vagocat-cart-badge {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--Vagocat-purple);
    color: white;
    font-size: 11px;
    font-weight: 700;
    height: 18px;
    min-width: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    box-shadow: 0 0 8px var(--Vagocat-purple-glow);
}

/* Client Portal Simple Text Link */
.Vagocat-header-actions a.Vagocat-btn-primary {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    color: var(--text-primary) !important;
    font-family: var(--font-body, 'Inter', sans-serif) !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    border-radius: 0 !important;
    transition: color var(--transition-fast) !important;
    display: none;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

@media (min-width: 1024px) {
    .Vagocat-header-actions a.Vagocat-btn-primary {
        display: inline-flex;
    }
}

/* Arrow icon positioned after the text */
.Vagocat-header-actions a.Vagocat-btn-primary::after {
    content: '→';
    color: var(--Vagocat-purple);
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    transition: transform var(--transition-fast);
}

.Vagocat-header-actions a.Vagocat-btn-primary:hover {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: var(--Vagocat-purple) !important;
    transform: none !important;
}

.Vagocat-header-actions a.Vagocat-btn-primary:hover::after {
    transform: translateX(3px);
}

/* ==========================================================================
   9. Active State Navigation Accent
   ========================================================================= */
.Vagocat-nav-list .Vagocat-nav-link.is-active,
.Vagocat-nav-list .Vagocat-has-dropdown.is-active .Vagocat-nav-link {
    color: var(--Vagocat-purple);
}

.Vagocat-nav-list .Vagocat-nav-link.is-active::after,
.Vagocat-nav-list .Vagocat-has-dropdown.is-active .Vagocat-nav-link::after {
    width: 100%;
}

/* ==========================================================================
   8. Mobile Navigation & Overlay
   ========================================================================== */
.Vagocat-mobile-toggle {
    display: block;
    z-index: 1100;
}

@media (min-width: 1024px) {
    .Vagocat-mobile-toggle { display: none; }
}

.Vagocat-hamburger {
    width: 24px;
    height: 18px;
    position: relative;
}

.Vagocat-hamburger span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-medium);
}

.Vagocat-hamburger span:nth-child(1) { top: 0; }
.Vagocat-hamburger span:nth-child(2) { top: 8px; }
.Vagocat-hamburger span:nth-child(3) { top: 16px; }

/* Active Hamburger State */
.Vagocat-mobile-toggle[aria-expanded="true"] .Vagocat-hamburger span:nth-child(1) {
    top: 8px;
    transform: rotate(45deg);
}
.Vagocat-mobile-toggle[aria-expanded="true"] .Vagocat-hamburger span:nth-child(2) {
    opacity: 0;
}
.Vagocat-mobile-toggle[aria-expanded="true"] .Vagocat-hamburger span:nth-child(3) {
    top: 8px;
    transform: rotate(-45deg);
}

/* Fullscreen Overlay */
.Vagocat-mobile-overlay {
    position: fixed;
    top: calc(var(--header-height) + var(--announcement-height));
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height) - var(--announcement-height));
    background-color: var(--Vagocat-bg);
    z-index: 999;
    padding: 24px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
}

.Vagocat-mobile-overlay.is-active {
    transform: translateX(0);
}

/* Mobile Accordions */
.mobile-nav-item {
    border-bottom: 1px solid var(--Vagocat-border);
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 16px 0;
}

.mobile-nav-link[aria-expanded="true"] {
    color: var(--Vagocat-purple);
}

.mobile-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
    pointer-events: auto;
}

.mobile-submenu.is-open {
    max-height: 600px;
    overflow: visible;
}

.mobile-submenu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-size: 16px;
    pointer-events: auto;
    position: relative;
    z-index: 5;
}

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