/* CSS Reset and base styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #000000;
    --secondary-black: #0a0a0a;
    --accent-gold: #ffd700;
    --accent-silver: #c0c0c0;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333333;
    --gradient-gold: linear-gradient(45deg, #ffd700, #ffed4e);
    --gradient-silver: linear-gradient(45deg, #c0c0c0, #e8e8e8);
    --card-shadow: 0 10px 30px rgba(255, 215, 0, 0.1);
    --hover-shadow: 0 15px 35px rgba(255, 215, 0, 0.2);
    --transition-speed: 0.3s;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-black);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    font-size: 0.95rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-black);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gold);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ffed4e;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    padding: 0.8rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    transition: transform var(--transition-speed) ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-black);
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Space Grotesk', sans-serif;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-speed) ease;
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
}

.nav-menu a:hover {
    color: var(--accent-gold);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width var(--transition-speed) ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    margin-top: 70px;
    padding: 3rem 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, rgba(0, 0, 0, 0) 70%);
    animation: pulse 15s infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Space Grotesk', sans-serif;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

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

.btn-primary {
    background: var(--gradient-gold);
    color: var(--primary-black);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-gold);
}

.btn-secondary:hover {
    background: var(--gradient-gold);
    color: var(--primary-black);
}

/* Features Section */
.features {
    padding: 3rem 1.5rem;
    background: var(--secondary-black);
}

.features-container {
    max-width: 1000px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Space Grotesk', sans-serif;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--primary-black);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: transform var(--transition-speed) ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 0.8rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* Services Section */
.services {
    padding: 3rem 1.5rem;
    background: var(--primary-black);
}

.services-container {
    max-width: 1000px;
    margin: 0 auto;
}

.services h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Space Grotesk', sans-serif;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.service-card {
    background: var(--secondary-black);
    padding: 1.2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow);
    border-color: var(--accent-gold);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.8rem;
    font-size: 1.3rem;
    color: var(--primary-black);
}

.service-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Service Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--secondary-black);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    position: relative;
    border: 1px solid var(--border-color);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: color var(--transition-speed) ease;
}

.close-modal:hover {
    color: var(--accent-gold);
}

.modal h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}

.modal p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.modal-contact {
    background: var(--primary-black);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.modal-contact h3 {
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
}

.modal-contact p {
    margin-bottom: 0.3rem;
}

/* Cryptocurrency Section */
.crypto-section {
    padding: 3rem 1.5rem;
    background: var(--secondary-black);
}

.crypto-container {
    max-width: 1000px;
    margin: 0 auto;
}

.crypto-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Space Grotesk', sans-serif;
}

.crypto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.crypto-card {
    background: var(--primary-black);
    padding: 1.2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-speed) ease;
    position: relative;
}

.crypto-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
    border-color: var(--accent-gold);
}

.crypto-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.8rem;
    font-size: 1.2rem;
    color: var(--primary-black);
}

.crypto-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}

.crypto-address {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    word-break: break-all;
    margin-bottom: 0.8rem;
    padding: 0.4rem;
    background: var(--secondary-black);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.copy-btn {
    background: var(--gradient-gold);
    color: var(--primary-black);
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    font-size: 0.8rem;
}

.copy-btn:hover {
    transform: scale(1.05);
}

/* QR Code Modal */
.qr-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.qr-content {
    background: var(--secondary-black);
    margin: 10% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 400px;
    position: relative;
    border: 1px solid var(--border-color);
    text-align: center;
    animation: slideUp 0.3s ease;
}

.qr-code {
    width: 200px;
    height: 200px;
    background: white;
    margin: 1rem auto;
    padding: 1rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--primary-black);
}

/* Support Section */
.support {
    padding: 3rem 1.5rem;
    background: var(--primary-black);
    text-align: center;
}

.support-container {
    max-width: 800px;
    margin: 0 auto;
}

.support h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Space Grotesk', sans-serif;
}

.support p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.support-links {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    flex-wrap: wrap;
}

.support-link {
    background: var(--gradient-gold);
    color: var(--primary-black);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.support-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    transition: left 0.5s ease;
}

.support-link:hover::before {
    left: 100%;
}

.support-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

/* Footer */
.footer {
    background: var(--secondary-black);
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition-speed) ease;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--secondary-black);
        flex-direction: column;
        padding: 1rem;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 0.9rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid,
    .services-grid,
    .crypto-grid {
        grid-template-columns: 1fr;
    }
    
    .support-links {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-content, .qr-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-black);
    border-radius: 50%;
    border-top-color: var(--accent-gold);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 80px;
    right: 15px;
    background: var(--gradient-gold);
    color: var(--primary-black);
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    box-shadow: var(--hover-shadow);
    transform: translateX(400px);
    transition: transform var(--transition-speed) ease;
    z-index: 1001;
    font-size: 0.9rem;
}

.toast.show {
    transform: translateX(0);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-black);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}

/* Network Status Indicator */
.network-status {
    position: fixed;
    bottom: 20px;
    left: 20px;
    padding: 0.5rem 1rem;
    background: var(--secondary-black);
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    z-index: 999;
}

.network-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4CAF50;
}

.network-indicator.offline {
    background: #F44336;
}