/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #0a0a0a;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    background-color: #1a1a1a;
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #ffffff;
}

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

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 0.8;
}

.cta-button {
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    background: radial-gradient(circle at center, #1a1a1a 0%, #0a0a0a 100%);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.8;
}

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

.primary-button {
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.primary-button:hover {
    transform: translateY(-2px);
}

.secondary-button {
    background: transparent;
    color: white;
    border: 2px solid #333;
    padding: 15px 30px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background: #333;
    transform: translateY(-2px);
}

.version-text {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Features Section */
.features {
    padding: 100px 0;
}

.feature-card {
    background: #1a1a1a;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 40px;
    border: 1px solid #333;
    transition: transform 0.3s ease;
}

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

.feature-card.large {
    min-height: 300px;
}

.feature-content {
    flex: 1;
}

.feature-content h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.feature-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.8;
}

.feature-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup,
.device-mockup {
    width: 200px;
    height: 300px;
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.phone-screen,
.device-screen {
    width: 80%;
    height: 80%;
    background: #000;
    border-radius: 15px;
}

.setup-steps {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.step.active {
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
}

/* Small Features */
.small-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.small-feature-card {
    background: #1a1a1a;
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid #333;
    transition: transform 0.3s ease;
}

.small-feature-card:hover {
    transform: translateY(-3px);
}

.small-feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    border-radius: 10px;
    flex-shrink: 0;
}

.small-feature-content h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.small-feature-content p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Security Section */
.security-section {
    padding: 80px 0;
    background: #111;
}

.security-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.security-card {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #333;
    transition: transform 0.3s ease;
}

.security-card:hover {
    transform: translateY(-3px);
}

.security-card.highlight-card {
    background: linear-gradient(45deg, #8b5cf6, #06b6d4);
    color: white;
}

.security-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.security-card p {
    opacity: 0.8;
    line-height: 1.5;
}

/* Crypto Section */
.crypto-section {
    padding: 80px 0;
    text-align: center;
}

.crypto-icons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.crypto-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.crypto-icon:hover {
    transform: scale(1.1);
}

.crypto-icon.btc { background: #f7931a; }
.crypto-icon.eth { background: #627eea; }
.crypto-icon.ltc { background: #345d9d; }
.crypto-icon.ada { background: #0d1e30; }
.crypto-icon.dot { background: #e6007a; }
.crypto-icon.xmr { background: #ff6600; }
.crypto-icon.eth2 { background: #627eea; }
.crypto-icon.more { background: #666; }

.crypto-section h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.supported-text {
    background: #1a1a1a;
    display: inline-block;
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid #333;
}

/* Footer */
.footer {
    background: #111;
    padding: 60px 0 30px;
    border-top: 1px solid #333;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #ffffff;
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
    }
    
    .nav-link {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-card {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-card.large {
        min-height: auto;
    }
    
    .crypto-icons {
        gap: 15px;
    }
    
    .crypto-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .feature-card,
    .small-feature-card {
        padding: 20px;
    }
    
    .security-card {
        padding: 20px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.small-feature-card,
.security-card {
    animation: fadeInUp 0.6s ease-out;
}