:root {
    --primary-bg: #0a0e17;
    --secondary-bg: #1a2238;
    --accent-gold: #FFD700;
    --accent-gold-dark: #FF8C00;
    --accent-gold-light: #FFFA90;
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --card-bg: #1e263d;
    --card-hover: #252f4a;
    --border-radius: 16px;
    --box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --glow: 0 0 15px rgba(255, 215, 0, 0.5);
}

/* Light Mode Variables */
[data-theme="light"] {
    --primary-bg: #f0f2f5;
    --secondary-bg: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --card-bg: #ffffff;
    --card-hover: #f5f5f5;
    --glow: 0 0 10px rgba(255, 215, 0, 0.3);
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    background: linear-gradient(135deg, 
        rgba(10, 14, 23, 1) 0%, 
        rgba(26, 34, 56, 1) 50%, 
        rgba(10, 14, 23, 1) 100%);
    background-size: 200% 200%;
    animation: gradientFlow 20s ease infinite;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Reset and Basic Styling */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

body { 
    background-color: var(--primary-bg);
    color: var(--text-primary); 
    font-family: 'Poppins', sans-serif;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    min-height: 100vh;
    overflow-x: hidden; 
    transition: background 0.5s ease, color 0.3s ease;
}

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    padding: 20px 40px;
    position: relative;
    margin-bottom: 10px;
    background: rgba(28, 31, 38, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.5s ease;
    z-index: 100;
}

[data-theme="light"] .header {
    background: rgba(240, 242, 245, 0.85);
    border-bottom: 1px solid rgba(255, 215, 0, 0.3);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark), var(--accent-gold-light));
    background-size: 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 5s infinite linear;
    letter-spacing: -0.5px;
    text-decoration: none;
}

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

.badge-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.beta-badge {
    font-size: 0.8rem;
    color: var(--accent-gold);
    font-weight: 600;
    background-color: rgba(10, 10, 10, 0.7);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--accent-gold);
    backdrop-filter: blur(5px);
}

[data-theme="light"] .beta-badge {
    background-color: rgba(255, 255, 255, 0.7);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.theme-toggle:hover {
    background: rgba(255, 215, 0, 0.1);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

.nav-menu a:hover {
    color: var(--accent-gold);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-button {
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark));
    color: #000;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.nav-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
    background: linear-gradient(90deg, var(--accent-gold-dark), var(--accent-gold));
}

.nav-button:hover::before {
    left: 100%;
}

@keyframes gradientShift {
    0% { background-position: 0%; }
    100% { background-position: 100%; }
}

/* Pop-up Styles */
.popup, .assistant-window, .contact-popup {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    border: 1px solid rgba(255, 215, 0, 0.3);
    z-index: 1000;
    background-color: var(--secondary-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow), var(--glow);
    color: var(--text-primary);
    text-align: center;
    backdrop-filter: blur(10px);
    max-height: 90vh;
    overflow-y: auto;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.popup.active, .assistant-window.active, .contact-popup.active {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.assistant-window {
    width: 90%;
    max-width: 1000px;
    height: auto;
    padding: 30px;
}

/* Close button styles */
.close-popup {
    position: absolute;
    top: 20px;
    right: 20px;
    color: var(--text-secondary);
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.close-popup:hover {
    color: var(--accent-gold);
    background: rgba(255, 215, 0, 0.2);
    transform: rotate(90deg);
}

/* Modern Contact Form */
.contact-popup {
    max-width: 500px;
    width: 90%;
    background-color: var(--secondary-bg);
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--accent-gold-light);
    text-align: left;
    font-size: 0.95rem;
}

[data-theme="light"] .form-label {
    color: var(--accent-gold-dark);
}

.form-input {
    width: 100%;
    padding: 14px 20px;
    background: rgba(51, 51, 51, 0.3);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

[data-theme="light"] .form-input {
    background: rgba(245, 245, 245, 0.8);
    border: 1px solid rgba(255, 215, 0, 0.5);
    color: var(--text-primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
    background: rgba(51, 51, 51, 0.5);
}

[data-theme="light"] .form-input:focus {
    background: rgba(255, 255, 255, 0.9);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-button {
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark));
    color: #000;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
    margin-top: 10px;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

.submit-button:hover::before {
    left: 100%;
}

/* About Popup Styles */
.about-popup-content {
    text-align: left;
    line-height: 1.7;
}

.benefit-item {
    display: flex;
    margin-bottom: 20px;
    align-items: flex-start;
}

.benefit-icon {
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.benefit-content h3 {
    color: var(--accent-gold-light);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.benefit-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Pricing Styles */
.pricing-plan {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 20px 0;
    text-align: left;
}

[data-theme="light"] .pricing-plan {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.pricing-plan.free {
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .pricing-plan.free {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.pricing-plan h3 {
    color: var(--accent-gold);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-list {
    list-style: none;
    margin: 15px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.feature-icon {
    color: var(--accent-gold);
    margin-right: 10px;
    font-weight: bold;
}

.popup-button {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark));
    color: #000;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 15px;
    transition: var(--transition);
}

.popup-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

/* Main Content Styles */
.main-content {
    text-align: center;
    padding: 20px 20px 40px;
    max-width: 1200px;
    width: 100%;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
    background-size: 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 8s infinite linear;
    line-height: 1.2;
}

.revolutionary-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.highlight {
    color: var(--accent-gold);
    font-weight: 600;
}

.gradient-text {
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
    background-size: 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

/* Search and Filter Styles */
.search-filter-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
    align-items: center;
}

.search-container {
    width: 100%;
    max-width: 400px;
}

#searchInput {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

[data-theme="light"] #searchInput {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.5);
    color: var(--text-primary);
}

#searchInput:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="light"] #searchInput:focus {
    background: rgba(0, 0, 0, 0.08);
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.filter-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

[data-theme="light"] .filter-button {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.5);
    color: var(--text-primary);
}

.filter-button:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--accent-gold);
}

.filter-button.active {
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark));
    color: #000;
    border-color: var(--accent-gold);
}

/* Assistants Grid */
.assistants-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin: 0 auto;
    max-width: 1200px;
}

.assistant-box {
    background: var(--card-bg);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--border-radius);
    padding: 25px;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.assistant-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow), var(--glow);
    background: var(--card-hover);
}

.assistant-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 5px;
}

.assistant-number {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-family: monospace;
}

.assistant-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.use-assistant-button {
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark));
    color: #000;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.use-assistant-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.use-assistant-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.use-assistant-button:hover::before {
    left: 100%;
}

/* Footer */
footer {
    background: rgba(28, 31, 38, 0.85);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 215, 0, 0.1);
    padding: 30px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 40px;
    width: 100%;
}

[data-theme="light"] footer {
    background: rgba(240, 242, 245, 0.85);
    border-top: 1px solid rgba(255, 215, 0, 0.3);
}

footer a {
    color: var(--accent-gold);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.disclaimer {
    font-size: 0.8rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 10px auto 0;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-dark));
    color: #000;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 20px;
        padding: 15px 20px;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .nav-menu a {
        font-size: 0.9rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .revolutionary-text {
        font-size: 1rem;
    }
    
    .assistants-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .assistant-box {
        padding: 20px;
    }
    
    .popup, .assistant-window, .contact-popup {
        width: 95%;
        padding: 20px;
    }
    
    .filter-container {
        gap: 8px;
    }
    
    .filter-button {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}