:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --background: #0f0f23;
    --surface: #1a1a2e;
    --surface-light: #252542;
    --text: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --success: #10b981;
    --border: rgba(255, 255, 255, 0.1);
    --gradient-start: #6366f1;
    --gradient-end: #8b5cf6;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    width: 200px;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
}

.logo-img {
    width: 40px;
    height: auto;
    border-radius: 12px;
}

.logo-img-small {
    width: 32px;
    height: auto;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-large {
    padding: 16px 32px;
    font-size: 17px;
    border-radius: 16px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero .container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-logo {
    width: 120px;
    height: auto;
    margin-bottom: 32px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    text-align: center;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.hero-note {
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--surface);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 48px 96px rgba(0, 0, 0, 0.4), inset 0 0 0 1px var(--border);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--surface-light) 0%, var(--surface) 100%);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen-content {
    text-align: center;
}

.avatar-preview {
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    margin: 0 auto 16px;
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.3);
}

.preview-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

/* Background Orbs */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: -100px;
    left: -100px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--surface);
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}

.step {
    text-align: center;
    padding: 32px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--surface) 0%, var(--background) 100%);
    text-align: center;
}

.download-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.download-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.download-note {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 16px;
}

/* Footer */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-brand .logo-icon,
.footer-brand .logo-text {
    display: inline-flex;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 8px;
}

.footer-parent {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--text-muted);
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 8px;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .features-grid,
    .steps {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Legal Pages Styles */
.legal-page {
    padding: 120px 0 64px;
}

.legal-header {
    margin-bottom: 48px;
}

.legal-header h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 8px;
}

.legal-header p {
    color: var(--text-secondary);
}

.legal-content {
    max-width: 800px;
}

.legal-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 16px;
    color: var(--text);
}

.legal-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 12px;
    color: var(--text);
}

.legal-content p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.legal-content ul {
    margin-bottom: 16px;
    padding-left: 24px;
    color: var(--text-secondary);
}

.legal-content li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.legal-content a {
    color: var(--primary);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Support Page */
.support-section {
    padding: 120px 0 64px;
}

.support-header {
    text-align: center;
    margin-bottom: 48px;
}

.support-header h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.support-header p {
    color: var(--text-secondary);
    font-size: 18px;
}

.support-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.support-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.support-icon svg {
    color: white;
}

.support-card h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.support-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
}

.email-link:hover {
    text-decoration: underline;
}