/* Variables - Mega Big Tech Theme */
:root {
    --primary-color: #0B5CFF;
    --secondary-color: #22C55E;
    --accent-color: #7C3AED;
    --text-color: #0F0F11;
    --light-text: #6B7280;
    --background-color: #F8FAFC;
    --white: #ffffff;
    --dark-bg: #1E293B;
    --shadow: 0 4px 20px rgba(11, 92, 255, 0.1);
    --shadow-hover: 0 8px 30px rgba(11, 92, 255, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Navigation */
.top-nav {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(11, 92, 255, 0.05);
}

.copilot-link {
    background: var(--primary-color);
    color: var(--white) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copilot-link:hover {
    background: #0952E6;
    color: var(--white) !important;
}

/* Main Container */
body {
    padding-top: 80px; /* Account for fixed nav */
}

.main-content {
    display: flex;
    justify-content: center;
    padding: 40px 20px 0;
}

/* FAQ Container */
.faq-container {
    width: 100%;
    max-width: 1200px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin: 0 auto;
}

/* Header Section */
.faq-header {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--primary-color) 30%, var(--accent-color) 70%);
    color: var(--white);
}

.header-content h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 800;
}

.header-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

/* Enhanced Search Bar */
.search-container {
    margin: 0 auto 40px;
    max-width: 700px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: 50px;
    padding: 15px 25px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    margin-bottom: 20px;
}

.search-box i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 1.2rem;
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.1rem;
    color: var(--text-color);
    background: transparent;
}

.search-box input::placeholder {
    color: var(--light-text);
}

.clear-search {
    background: none;
    border: none;
    color: var(--light-text);
    cursor: pointer;
    padding: 8px;
    display: none;
    border-radius: 50%;
    transition: var(--transition);
}

.clear-search:hover {
    background: rgba(11, 92, 255, 0.1);
    color: var(--primary-color);
}

.clear-search.visible {
    display: block;
}

/* Search Suggestions */
.search-suggestions {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.suggestion-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-right: 10px;
}

.suggestion-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.suggestion-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Enhanced Category Filter */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.category-btn {
    padding: 12px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    background: transparent;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-btn i {
    font-size: 1rem;
}

.category-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.category-btn.active {
    background: var(--white);
    color: var(--primary-color);
    border-color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

/* FAQ Content */
.faq-content {
    padding: 50px;
}

.faq-category {
    margin-bottom: 50px;
}

.faq-category h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-category h2 i {
    color: var(--secondary-color);
}

.faq-item {
    background: var(--white);
    border: 1px solid #e1e1e1;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(74, 144, 226, 0.05);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 0;
}

.faq-icon {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 1000px;
}

.faq-answer p {
    color: var(--light-text);
    margin: 0;
}

/* Document Library */
.document-library {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid rgba(11, 92, 255, 0.1);
}

.document-library h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.document-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.document-category {
    background: rgba(11, 92, 255, 0.02);
    border: 1px solid rgba(11, 92, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 25px;
    transition: var(--transition);
}

.document-category:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.doc-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.doc-category-header i {
    color: var(--secondary-color);
    font-size: 1.3rem;
}

.doc-category-header h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

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

.doc-list li {
    margin-bottom: 12px;
}

.doc-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.doc-link:hover {
    background: rgba(11, 92, 255, 0.05);
    text-decoration: none;
}

.doc-type {
    background: var(--light-text);
    color: var(--white);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 40px 0;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .document-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content h1 {
        font-size: 2.2rem;
    }
    
    .faq-content {
        padding: 30px 20px;
    }
    
    .category-filter {
        gap: 8px;
    }
    
    .category-btn {
        padding: 8px 15px;
        font-size: 0.8rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .document-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 20px 10px 0;
    }
    
    .faq-header {
        padding: 40px 15px;
    }
    
    .header-content h1 {
        font-size: 1.8rem;
    }
    
    .search-box {
        padding: 12px 20px;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .suggestion-btn {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
    
    .faq-category h2 {
        font-size: 1.5rem;
    }
}