:root {
    --bg-color: #0a0a0a;
    --surface-color: #1a1a1a;
    --surface-hover: #252525;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #8b5cf6;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --border-color: #333333;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --font-main: 'Inter', sans-serif;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-outline {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--surface-hover);
    border-color: var(--text-secondary);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
}

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

.nav-cta {
    display: flex;
    gap: 15px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(10, 10, 10, 0) 70%);
    z-index: -1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-trust {
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Hero Visual */
.hero-visual {
    margin-top: 60px;
    display: flex;
    justify-content: center;
}

.sync-visual {
    position: relative;
    width: 300px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sync-center {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.icon-box {
    font-size: 2rem;
    margin-bottom: 5px;
}

.sync-lines {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 15px;
    padding: 0 10px;
}

.line {
    height: 2px;
    background: linear-gradient(90deg, var(--border-color), var(--primary-color));
    position: relative;
    overflow: hidden;
}

.line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, #fff, transparent);
    transform: translateX(-100%);
    animation: flow 2s infinite;
}

.line:nth-child(2) { animation-delay: 0.2s; }
.line:nth-child(3) { animation-delay: 0.4s; }

@keyframes flow {
    100% { transform: translateX(100%); }
}

.sync-targets {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.target-item {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.live { background-color: var(--success-color); box-shadow: 0 0 5px var(--success-color); }

/* Sections General */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 700;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* Problem / Solution */
.problem-solution .card {
    padding: 40px;
    border-radius: 16px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
}

.problem-card h3 { color: #ef4444; margin-bottom: 20px; }
.solution-card h3 { color: var(--success-color); margin-bottom: 20px; }

.list-problem li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.highlight-text {
    margin-top: 20px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Channel Status */
.status-table-wrapper {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.status-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.status-table th {
    padding: 15px;
    color: var(--text-secondary);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.status-table td {
    padding: 20px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.status-table tr:last-child td { border-bottom: none; }

.badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge.live { background: rgba(34, 197, 94, 0.1); color: var(--success-color); }
.badge.coming-soon { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }

/* How It Works */
.steps-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.flow-step {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    width: 140px;
    transition: transform 0.3s ease;
}

.flow-step:hover { transform: translateY(-5px); border-color: var(--primary-color); }
.flow-step.success { border-color: var(--success-color); }

.flow-icon { font-size: 2rem; margin-bottom: 10px; }
.flow-arrow { color: var(--text-secondary); font-size: 1.5rem; }

.steps-details .step-detail {
    background: var(--surface-color);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 5rem;
    font-weight: 900;
    color: rgba(255,255,255,0.03);
}

.code-preview {
    background: #000;
    padding: 15px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 15px;
}

.check-list li { margin-bottom: 10px; }

/* Features */
.feature-card {
    background: var(--surface-color);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* Integrations */
.integration-card {
    background: var(--surface-color);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.sm-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.link-arrow {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 600;
}

.amazon-badge {
    display: inline-block;
    margin-top: 15px;
    background: #ff9900;
    color: black;
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.8rem;
}

/* Pricing */
.pricing-card {
    background: var(--surface-color);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
}

.pricing-card.popular {
    border-color: var(--primary-color);
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.1) 0%, var(--surface-color) 100%);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 20px 0;
}

.price span { font-size: 1rem; color: var(--text-secondary); font-weight: 400; }

.pricing-features { margin-bottom: 30px; }
.pricing-features li { margin-bottom: 10px; color: var(--text-secondary); }

.pricing-note { text-align: center; margin-top: 20px; color: var(--text-secondary); font-size: 0.9rem; }

/* Testimonials */
.testimonial-card {
    background: var(--surface-color);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.quote {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.author strong { display: block; color: var(--text-primary); }
.author span { font-size: 0.9rem; color: var(--text-secondary); }

/* Security */
.security-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.badge-item {
    background: var(--surface-color);
    padding: 10px 20px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

/* Results */
.results-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    text-align: center;
}

.result-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.result-label { color: var(--text-secondary); }

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.faq-item {
    background: var(--surface-color);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.faq-item h4 { margin-bottom: 10px; color: var(--text-primary); }
.faq-item p { color: var(--text-secondary); }

/* CTA Section */
.cta-section {
    text-align: center;
    background: linear-gradient(180deg, var(--surface-color) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-top: 1px solid var(--border-color);
}

.cta-steps {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.cta-steps li {
    position: relative;
    padding-left: 20px;
}

.cta-steps li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
}

/* Footer */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    background: #050505;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 30px;
}

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

.copyright {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 500px;
    width: 90%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 900px) {
    .hero-title { font-size: 2.5rem; }
    .grid-2, .grid-3, .grid-4, .faq-grid { grid-template-columns: 1fr; }
    .nav-links, .nav-cta { display: none; }
    .mobile-menu-toggle { display: flex; }
    .footer-container { flex-direction: column; gap: 30px; text-align: center; }
    .footer-links { flex-direction: column; gap: 15px; }
    .steps-diagram { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); margin: 10px 0; }
}