/* css/layout.css - Structure & Navigation (Tier 1 Enterprise 2026) */
/* STATUS: OPTIMIZED | VERSION: 2.1 (Benchmark + Animation Fixes) */

/* --- TIER 1 POLISH (Scrollbar, Selection, Focus) --- */

/* 1. Brand Selection */
::selection {
    background: var(--accent-color);
    color: white;
}

/* 2. Custom Scrollbar (Webkit) */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--background-color);
}
::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 5px;
    border: 3px solid var(--background-color); /* Creates padding effect */
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* 3. Global Focus Ring (Accessibility) */
:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* --- RESET & BASE --- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    background-image: var(--background-gradient); /* Added gradient depth */
    background-attachment: fixed;
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { 
    line-height: 1.1; 
    margin-top: 0; 
    letter-spacing: -0.02em; 
}

a { 
    text-decoration: none; 
    color: inherit; 
    transition: color 0.2s; 
}

img { 
    max-width: 100%; 
    height: auto; 
    display: block; 
}

.container {
    width: 100%;
    max-width: 1280px; /* Slightly wider for modern screens */
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- UTILITY: ANIMATED GRADIENT TEXT --- */
.gradient-text {
    background: linear-gradient(
        135deg, 
        #ff0000, #ff0080, #7928ca, #4f5bd5, #00c6ff, #00ff00, #ffcc00
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    animation: text-flow 12s ease-in-out infinite;
}

/* FIX: Added missing keyframes for the gradient animation */
@keyframes text-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* --- HEADER (Glassmorphism) --- */
.header-wrapper {
    padding: var(--spacing-sm) 0;
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
}

.site-logo-link { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-sm); 
}

.brand-name { 
    font-weight: 800; 
    font-size: 1.5rem; 
    color: var(--text-color); 
    letter-spacing: -1px; 
}

.header-actions { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-md); 
}

.sign-in-link {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-right: 10px;
    display: block;
    transition: color 0.2s;
}

.sign-in-link:hover { color: var(--text-color); }

/* Primary Header CTA - Matching AuthForm Buttons */
.header-cta {
    padding: 10px 24px;
    background: var(--text-color); /* Contrast pill */
    color: var(--background-color);
    border-radius: var(--button-border-radius);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.header-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Dark Mode Shadow Fix */
body.dark-mode .header-cta:hover {
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

/* --- MOBILE MENU TOGGLE (High Visibility) --- */
.mobile-menu-toggle {
    display: none;
    /* 95% Opacity for maximum readability against video */
    background: rgba(255, 255, 255, 0.95); 
    border: 1px solid var(--card-border);
    border-radius: 8px;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px 12px;
    margin-left: 10px;
    
    /* Strong Blur */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1100;
}

/* Dark Mode Override for Toggle */
body.dark-mode .mobile-menu-toggle {
    background: rgba(20, 22, 28, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.05);
}

.mobile-menu-toggle:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-1px);
}

/* --- DESKTOP NAVIGATION --- */
.main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 4px; /* Tighter grouping */
    justify-content: center;
    flex-wrap: wrap;
    background: var(--card-bg); /* Pill container */
    padding: 4px;
    border-radius: 99px;
    border: 1px solid var(--glass-border);
}

.main-nav a { 
    font-weight: 500; 
    color: var(--text-secondary); 
    font-size: 0.95rem;
    padding: 8px 20px;
    border-radius: 99px;
    transition: all 0.2s ease;
    display: block;
}

.main-nav a:hover { 
    color: var(--text-color); 
    background-color: rgba(0,0,0,0.05);
}

body.dark-mode .main-nav a:hover { 
    background-color: rgba(255,255,255,0.05); 
}

.main-nav a.active {
    color: var(--text-color);
    background-color: var(--background-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* --- MAIN CONTENT --- */
.main-content { flex: 1; }

/* --- FOOTER --- */
.site-footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 80px 0 40px;
    margin-top: auto;
    border-top: 1px solid var(--card-border);
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-company h4 { 
    margin-bottom: 20px; 
    color: var(--text-color); 
    font-size: 1.1rem; 
}

.footer-company p { 
    margin: 0 0 10px; 
    color: var(--text-secondary); 
    line-height: 1.6; 
    max-width: 350px; 
}

.footer-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 24px; /* Benchmark Standard */
}

.social-icons a { 
    font-size: 1.4rem; 
    margin-left: 20px; 
    color: var(--text-secondary); 
    transition: all 0.2s; 
}

.social-icons a:hover { 
    color: var(--accent-color); 
    transform: translateY(-2px); 
}

.legal-links { display: flex; gap: 24px; }
.legal-links a { color: var(--text-secondary); font-size: 0.85rem; }
.legal-links a:hover { color: var(--text-color); }

.footer-bottom {
    border-top: 1px solid var(--card-border);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-settings {
    display: flex;
    align-items: center;
    gap: 12px; /* Space between Lang and Dark Mode */
    background: var(--card-bg);
    padding: 6px 16px;
    border-radius: 99px;
    border: 1px solid var(--card-border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    transition: all 0.2s ease;
    position: relative; /* Added for pseudo-element positioning if needed */
}

.footer-settings:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* FIX: Added a visual indicator (Chevron) via CSS to show it is a dropdown */


.footer-settings:hover::after {
    border-color: var(--text-color);
}

/* The Globe Icon */
.footer-settings .fa-globe {
    color: var(--text-secondary);
    font-size: 0.9rem;
    pointer-events: none;
}

/* The Select Element */
.footer-lang-select {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    font-family: var(--font-family);
    padding-right: 4px;
    
    /* Remove default ugly OS arrow */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none; 
    
    transition: color 0.2s;
}

.footer-lang-select:hover {
    color: var(--text-color);
}

/* The Dropdown Options */
.footer-lang-select option {
    background-color: var(--background-color);
    color: var(--text-color);
    padding: 10px;
}

/* Theme Toggle Button */
.footer-theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    padding-left: 12px;
    border-left: 1px solid var(--card-border); /* Separator line */
    font-size: 1rem;
    transition: color 0.2s;
}

.footer-theme-toggle:hover {
    color: var(--accent-color);
    transform: rotate(15deg); /* Playful micro-interaction */
}

/* --- MOBILE RESPONSIVENESS & ANIMATIONS --- */
@media (max-width: 768px) {
    .sign-in-link { display: none; }
    .mobile-menu-toggle { display: block; }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        /* Solid background for readability */
        background: var(--background-color); 
        border-bottom: 1px solid var(--card-border);
        padding: 20px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        z-index: 1000;
    }
    
    .main-nav.open { 
        display: block; 
        animation: slideDown 0.2s ease-out; 
    }
    
    .main-nav ul { 
        flex-direction: column; 
        background: transparent; 
        border: none; 
        padding: 0;
        gap: 10px;
    }
    
    .main-nav a { 
        text-align: center; 
        background: var(--card-bg); /* Glass effect for items */
        width: 100%;
        border: 1px solid var(--card-border);
    }

    /* Footer Mobile Alignment (Benchmark) */
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-controls { align-items: center; }
    .footer-company p { margin: 0 auto 10px; }
    
    .footer-bottom { 
        flex-direction: column-reverse; 
        justify-content: center; 
        align-items: center; 
        gap: 20px;
    }

    .footer-bottom .copyright {
        text-align: center;
        width: 100%;
    }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}