:root {
    --primary: #5865f2;
    --primary-hover: #4752c4;
    --secondary: #ed4245;
    --accent: #00d9ff;
    --success: #57f287;
    --warning: #fee75c;
    
    --background: #0a0b0f;
    --surface: #1a1d23;
    --surface-hover: #23262d;
    --surface-elevated: #2c2f36;
    
    --text-primary: #ffffff;
    --text-secondary: #b9bbbe;
    --text-muted: #72767d;
    --text-accent: #00d9ff;
    
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    
    --gradient-primary: linear-gradient(135deg, #5865f2 0%, #ed4245 100%);
    --gradient-accent: linear-gradient(135deg, #00d9ff 0%, #5865f2 100%);
    --gradient-surface: linear-gradient(145deg, #1a1d23 0%, #23262d 100%);
    
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header Styles */
.top-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(10, 11, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.toggle-button {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.toggle-button:hover {
    background: var(--surface-hover);
}

.title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.title img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.account-options {
    display: flex;
    gap: 0.5rem;
}

.account-options a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--surface);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.account-options a:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Container */
.container {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 90vh;
    text-align: center;
    padding: 2rem;
    background: 
        radial-gradient(circle at 20% 20%, rgba(88, 101, 242, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(237, 66, 69, 0.1) 0%, transparent 50%),
        var(--background);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="50" cy="10" r="1" fill="%23ffffff" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    font-weight: 400;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-width: 180px;
}

.btn::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: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Sections */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

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

.section-title p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Terms and Privacy */
.terms-privacy-section {
    padding: 3rem 2rem;
    text-align: center;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.terms-privacy-section p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.terms-privacy-section div {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.link {
    color: var(--text-accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.link:hover {
    border-bottom-color: var(--text-accent);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.feature-card:hover::before {
    transform: translateX(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(88, 101, 242, 0.3);
}

.feature-emoji {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Commands Section */
.commands-grid {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.command-code {
    background: var(--surface-elevated);
    color: var(--accent);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
    font-size: 0.9rem;
    margin: 0 0.5rem;
    border: 1px solid var(--border);
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    transition: var(--transition);
    overflow: hidden;
}

.faq-item:hover {
    border-color: rgba(88, 101, 242, 0.3);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--surface-hover);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
    color: var(--accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Support Section */
.support-card {
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: 4rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.support-card::before {
    content: '💬';
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 8rem;
    opacity: 0.05;
    pointer-events: none;
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .top-menu {
        padding: 1rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .section {
        padding: 4rem 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .terms-privacy-section div {
        flex-direction: column;
        gap: 1rem;
    }

    .commands-grid {
        flex-direction: column;
        align-items: center;
    }

    .feature-card {
        padding: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}