/* BSC-USD Teller - Professional Styles */

:root {
    --binance-orange: #F0B90B;
    --financial-blue: #2775CA;
    --dark-bg: #0B0E11;
    --dark-secondary: #1E2329;
    --text-primary: #EAECEF;
    --text-secondary: #B7BDC6;
    --success-green: #0ECB81;
    --border-color: #2B3139;
    --gradient-primary: linear-gradient(135deg, #F0B90B 0%, #2775CA 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: rgba(11, 14, 17, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--binance-orange);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--binance-orange);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(240, 185, 11, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--binance-orange);
    border: 2px solid var(--binance-orange);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--binance-orange);
    color: var(--dark-bg);
}

/* Hero Section */
.hero-section {
    padding: 120px 0 80px;
    background: radial-gradient(ellipse at top, rgba(240, 185, 11, 0.1) 0%, transparent 60%);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--dark-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--binance-orange);
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: var(--text-secondary);
}

.partners {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.partner-logo {
    height: 40px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.partner-logo:hover {
    opacity: 1;
}

/* Features Section */
.features-section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--dark-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Reserves Section */
.reserves-section {
    padding: 80px 0;
    background: var(--dark-secondary);
}

.reserve-card {
    background: var(--dark-bg);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 800px;
    margin: 0 auto;
}

.reserve-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.live-indicator {
    background: var(--success-green);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.reserve-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--binance-orange);
    margin-bottom: 2rem;
    text-align: center;
}

.reserve-breakdown {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.reserve-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: var(--dark-secondary);
    border-radius: 8px;
}

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

.reserve-value {
    font-weight: 600;
    color: var(--text-primary);
}

.reserve-meter {
    height: 8px;
    background: var(--dark-secondary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.reserve-update {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Technology Section */
.technology-section {
    padding: 80px 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: var(--dark-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tech-card h3 {
    color: var(--binance-orange);
    margin-bottom: 1.5rem;
}

.tech-card ul {
    list-style: none;
}

.tech-card li {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.tech-card li:before {
    content: "✓";
    color: var(--success-green);
    position: absolute;
    left: 0;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background: var(--dark-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
}

.member-photo {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
}

.team-member h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.team-member p {
    color: var(--text-secondary);
}

/* Whitepaper Section */
.whitepaper-section {
    padding: 80px 0;
}

.whitepaper-card {
    background: var(--gradient-primary);
    padding: 4rem;
    border-radius: 16px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.whitepaper-card h2 {
    color: white;
    margin-bottom: 1rem;
}

.whitepaper-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.whitepaper-card .btn-primary {
    background: white;
    color: var(--dark-bg);
}

/* Footer */
.footer {
    background: var(--dark-secondary);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    width: 40px;
    height: 40px;
}

.footer-links h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .features-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }
}