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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

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

.navbar {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #00d4ff;
}

.btn-primary {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 12px 28px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}

.hero {
    padding: 100px 0 80px;
    text-align: center;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.highlight {
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.feature-card {
    padding: 40px 0;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 32px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.card-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.card-reverse {
    direction: rtl;
}

.card-reverse > * {
    direction: ltr;
}

.card-content {
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.card-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.card-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.card-visual-purple {
    background: linear-gradient(135deg, #a855f7, #c084fc);
}

.card-visual-gray {
    background: linear-gradient(135deg, #e5e7eb, #f3f4f6);
}

.card-visual-light {
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
}

.device-mockup {
    width: 80px;
    height: 280px;
    background: #1a1a1a;
    border-radius: 20px;
    padding: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.device-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #2a2a2a, #1a1a1a);
    border-radius: 12px;
}

.device-mockup-wide {
    width: 200px;
    height: 320px;
    background: #1a1a1a;
    border-radius: 24px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.step {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 600;
    color: #6b7280;
}

.step-complete {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.step-active {
    background: linear-gradient(135deg, #059669, #047857);
    color: white;
}

.step-labels {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.step-labels span {
    width: 60px;
    text-align: center;
    font-size: 12px;
    color: #374151;
}

.features-list {
    padding: 40px 0;
}

.feature-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    padding: 30px 40px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
}

.phone-mockup {
    width: 80px;
    height: 160px;
    background: #1a1a1a;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-text h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.feature-text p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
}

.security-features {
    padding: 80px 0;
}

.section-title {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 700;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.security-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s;
}

.security-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.security-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.security-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.security-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
}

.security-card-highlight {
    background: linear-gradient(135deg, #047857, #059669);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.supported-assets {
    padding: 80px 0;
    text-align: center;
}

.asset-icons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.asset-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.asset-icon:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.1);
}

.supported-assets h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.supported-assets p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 30px;
}

.search-box {
    max-width: 500px;
    margin: 0 auto;
}

.search-box input {
    width: 100%;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: white;
    font-size: 16px;
    outline: none;
    transition: all 0.3s;
}

.search-box input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-column h4 {
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: #00d4ff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #00d4ff;
}

@media (max-width: 968px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .card-large {
        grid-template-columns: 1fr;
    }
    
    .card-reverse {
        direction: ltr;
    }
    
    .feature-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .phone-mockup {
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .card-content {
        padding: 30px;
    }
    
    .card-content h2 {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .asset-icons {
        gap: 15px;
    }
    
    .asset-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}