:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --bg-dark: #0a0f1e;
    --card-bg: #161c2d;
    --text-color: #e9ecef;
    --text-muted: #adb5bd;
    --white: #ffffff;
    --success: #28a745;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-dark);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0a0f1e 0%, #161c2d 100%);
    padding: 80px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--white);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.description {
    max-width: 800px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.highlight {
    color: var(--primary-color);
    font-weight: 700;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.stat-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    border: 1px solid rgba(255,255,255,0.05);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-icon {
    font-size: 2rem;
}

/* Methods Section */
.methods {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--white);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.method-cards {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.method-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    flex: 1;
    min-width: 350px;
    max-width: 450px;
    position: relative;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.method-card:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 123, 255, 0.2);
    border-color: var(--primary-color);
    z-index: 10;
}

.method-card.usdt {
    border: 1px solid var(--primary-color);
}

.card-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.method-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--white);
}

.rate-box {
    margin-bottom: 10px;
}

.big-rate {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.rate-unit {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.profit-hint {
    color: var(--success);
    font-weight: 600;
    margin-bottom: 20px;
}

.card-desc {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.example {
    background: rgba(0, 123, 255, 0.1);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    width: 100%;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.1);
    color: var(--white);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    background: var(--primary-color);
    color: var(--white);
    font-size: 1.2rem;
    padding: 18px 40px;
    width: auto;
}

/* How it Works */
.how-it-works {
    background: var(--card-bg);
    padding: 80px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.step-card {
    text-align: center;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step-card h3 {
    margin-bottom: 15px;
    color: var(--white);
}

/* Selling Visualization */
.selling-viz {
    padding: 80px 0;
}

.viz-container {
    display: flex;
    gap: 40px;
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    align-items: center;
    border: 1px solid rgba(255,255,255,0.05);
}

.viz-wallet {
    flex: 1;
    text-align: center;
}

.wallet-card {
    background: rgba(255,255,255,0.02);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-top: 15px;
    border: 1px dashed rgba(255,255,255,0.2);
}

.wallet-amount {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--white);
}

.wallet-status {
    color: var(--success);
    font-weight: 700;
}

.viz-matches {
    flex: 1.5;
}

.match-item {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.status-paid {
    color: var(--success);
    font-weight: 600;
}

.match-total {
    display: flex;
    justify-content: space-between;
    padding: 20px 15px;
    font-weight: 800;
    font-size: 1.2rem;
    background: rgba(0, 123, 255, 0.1);
    margin-top: 10px;
    border-radius: 8px;
    color: var(--white);
}

/* CTA Section */
.cta-section {
    padding: 60px 0 100px;
}

.cta-card {
    background: linear-gradient(135deg, #0066ff 0%, #0044aa 100%);
    color: var(--white);
    padding: 60px;
    border-radius: var(--border-radius);
    text-align: center;
}

.cta-card h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

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

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.login-prompt {
    font-size: 1rem !important;
}

.login-prompt a {
    color: var(--white);
    text-decoration: underline;
}

/* Footer */
.contact-footer {
    background: #050810;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-info h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-info p {
    color: var(--text-muted);
}

.footer-contact h4 {
    margin-bottom: 15px;
}

.contact-list {
    margin-top: 10px;
}

.contact-item {
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item:hover {
    color: var(--primary-hover);
    transform: translateX(5px);
}

.contact-item i {
    font-size: 1.2rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 20px;
    text-align: center;
    color: #444;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .method-cards { flex-direction: column; align-items: center; }
    .viz-container { flex-direction: column; }
    .viz-wallet, .viz-matches { width: 100%; }
}